Answer:
Ribosomal RNA (rRNA)
Explanation:
associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis.
What motion causes a year
Answer:
Revolution. As the earth rotates on its axis, it also revolves in orbit around the sun. It takes exactly 365 days for Earth to make one full trip around the sun -- our definition of a year.
Explanation:
Revolution. As the earth rotates on its axis, it also revolves in orbit around the sun. It takes exactly 365 days for Earth to make one full trip around the sun -- our definition of a year.
Answer:
Revolution.
Explanation:
Every 365 days the Earth makes a full trip around the sun. thus causing a year.
The sunflower plant and paddy plant are flowering plants. State one similarity and three differences between the two plants.
Answer:
One similarity between the sunflower plant and paddy plant is that both of them have a non-woody stem. The three differences are; sunflower plant is a dicot, and has branching veins and taproots while paddy plant is a monocot, and has parallel veins and fibrous roots.
Explanation:
The paddy plant is a monocot (monocotyledon), where only one embryonic leaf (cotyledon) is present inside the seed coat. The monocots have a fibrous root system and their leaf veins are parallel. The sunflower plant is a dicot or dicotyledon, which contains two embryonic leaves inside the seed coat. The leaf veins of dicots are branched. They have taproots. Both the sunflower plant and paddy plant can be used as food. Both have a non-woody stem.
What is the purpose of your answer for question #1?
A)can only move substance into the cell with the use
of ATP
B)is only used to remove large waste products from
the cell
C)are specifically meant to carry the smallest ions in
and out of the cell
D)to assist in the movement of substances across the
membrane by facilitated diffusion or active transport
to assist in the movement of substances across the membrane by facilitated diffusion or active transport. thus option D is correct.
What is diffusion ?Diffusion is the passive process where the movement of molecules occur along with the concentration gradient.
It helps in the movement of solute or solvent in and out of the cells from a region of higher concentration to a region of lower concentration gradient.
Liquid and gaseous state of the substance move by the process of diffusion, some factors are Temperature, Area of Interaction, Size of the Particle, concentration gradient.
Diffusion involve in respiration by diffusing the carbon dioxide gas out through the cell membrane into the blood, also occurs in plant cells mainly root hair cells, ions movement across the neurons.
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Final answer:
The purpose of carrier proteins is to aid in the transport of substances across cell membranes, either by facilitated diffusion or active transport such as the sodium-potassium pump, which requires ATP.
Explanation:
The purpose of the carrier proteins mentioned in question 1 is D) to assist in the movement of substances across the membrane by facilitated diffusion or active transport. Carrier proteins are vital for cell function because they enable the movement of substances that cannot pass through the cell membrane unaided due to their size, polarity, or concentration gradient. While facilitated diffusion does not require energy and moves substances down their concentration gradient, active transport uses cellular energy in the form of ATP to move substances against their concentration gradient. An example is the sodium-potassium pump, which is crucial for maintaining the electrochemical gradient across the cell membrane by moving sodium and potassium ions in opposite directions.
the functioning of DNA and RNA are affected by various enzymes. Sometimes, environmental factors can influence how these enzymes work. Which of these are factors that can change enzyme functionality?
Answer:
Its just Concentration, pH, and temperature
Explanation:
I got this question on discovery education and these are the exact answers! :)
Enzyme functionality can be altered by temperature, pH levels, enzyme concentration, substrate concentration, and the presence of inhibitors or activators; high temperatures and extreme pH levels can lead to denaturation of enzymes, affecting their ability to function properly.
Explanation:Factors that influence the functionality of enzymes, which are crucial in the functioning of DNA and RNA, are of great importance to understand. The primary factors that can change enzyme functionality include temperature, pH levels, enzyme concentration, substrate concentration, and the presence of inhibitors or activators. High temperatures and extreme pH levels can cause enzymes to denature, meaning they lose their three-dimensional structure which is essential for their function.
A denatured enzyme has an altered active site, preventing it from binding effectively with substrate molecules. Similarly, the presence of certain chemicals or changes in the concentration of ions in the environment, such as an increase in H+ ions (acidity), can affect the enzymatic activity by changing its shape or charge properties. Environmental factors, like ultraviolet light, may also induce changes in the genetic material which can affect gene expression by modifying how accessible the DNA is for transcription.
Explain why the genetic content of individual chromosomes in a spermatozoon most likely differs from the genetic content of individual chromosomes in a primary spermatocyte.
The male reproductive cell or the sperm is a cell possessing a haploid (N) number of chromosomes, while the primary spermatocyte is an immature cell with a diploid number of chromosomes.
The reason for the difference in genetic content of individual chromosomes in primary spermatocyte and spermatozoon is:
Spermatozoon or the sperm cells are the motile full-grown reproductive cells of male organisms. They have a haploid (N) quantity of chromosomes. Sperm cells consist of a tail called flagella, head and body. The spermatozoon is the cell that fertilizes with the female gamete to produce progeny.Primary spermatocytes are immature cells that have a diploid (2N) number of chromosomes.They are the cell that is present in the stage of Meiosis 1, which later forms secondary spermatocytes.The secondary spermatocytes thus formed are haploid in nature.All the male organism produces spermatocytes.Therefore, the genetic content of primary spermatocytes differs from spermatozoon.
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The genetic content of individual chromosomes in a spermatozoon differs from that in a primary spermatocyte due to chromosome number, meiosis, and specialization.
Explanation:The genetic content of individual chromosomes in a spermatozoon most likely differs from the genetic content of individual chromosomes in a primary spermatocyte due to several reasons:
Chromosome number: Spermatocytes are diploid cells containing the full complement of chromosomes (46 in humans), while spermatozoa are haploid cells containing only half the number of chromosomes (23 in humans).Mitosis and meiosis: Spermatogenesis involves two rounds of cell division, meiosis I and meiosis II, resulting in the formation of four haploid spermatids from each primary spermatocyte. The genetic content of these spermatids is further condensed and differentiated to form mature spermatozoa.Specialization and size: Spermatozoa undergo further changes in structure and specialization, such as the development of a streamlined shape, a flagella tail for propulsion, and the loss of cytoplasm except for the compact head. These specializations allow spermatozoa to swim and fertilize an egg.
1) The goal of scientific experimentation is to increase what we know about how the natural world operates. If a hypothesis is
tested repeatedly by a wide variety of experimental approaches in many scientific investigations and cannot be proved false,
then the hypothesis could be called a
A conclusion,
E fact.
. rule.
D. theory.
2) In the 1600s, advances in microscopy led to the development of cell theory. Which of the following statements is part of the
cell theory?
A
All(cells require water and oxygen to survive.
Alldiving things are made of one or more cells.
All cells have organelles with specialized functions.
All living things rely on several different types of cells.
Il living things require which of the following?
Answer:
1. A
2. All( Cells require water and oxygen to survive
All living things are made up of one or more cells
All living things rely on several different types of cells.
Those are what I feel are the answers
The scientific experiment sets a goal, it is tested by experiments reportedly and cannot be proved false is known as theory, hence for question 1 option d is correct.
Cell theory defines all dividing cells as coming from another cell, hence question 2 option b is correct.
What is the goal of scientific experiments?The goal of scientific experiments is to know how repeatedly a world changes during evolution, experiments lead to new theory and facts which is useful for the next research.
In 1600 when advanced microscopy is discovered, cells can be studied more accurately and cell theory was proposed, and it is defined as every cell coming from another dividing cell.
Experiments sets new discovery in the world which is helpful in the field of science, it sets new theory, rule, and facts.
Therefore for question 1 options d theory is correct and for question 2 option b is correct.
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Hundreds of years ago, it was believed by many that our solar system was Geocentric. This means that Earth is at the center of the solar system, with the Sun and other planets orbit around it. Today, the solar system is now thought to be Heliocentric.
What does this mean?
Question 6 options:
The Sun and other planets orbit Earth.
Earth and all the other planets orbit the Sun.
The other planets orbit Earth, and Earth orbits the Sun.
The Sun orbits Earth and the other planets orbit the Sun.
Earth and all the other planets orbit the Sun.
The shift from a geocentric to a heliocentric model represents a fundamental change in our understanding of the solar system's organization. In the geocentric model, which prevailed for centuries, Earth was considered the stationary center of the universe, with the Sun, Moon, planets, and stars orbiting around it. This view was supported by observations of celestial motion and was deeply entrenched in both scientific and religious thought.
However, advancements in astronomy and the development of new observational techniques challenged the geocentric model. In the 16th century, the heliocentric model emerged, proposed notably by Nicolaus Copernicus. According to this model, the Sun is at the center of the solar system, with Earth and other planets orbiting around it. This concept was revolutionary and marked a significant shift in our understanding of the cosmos.
In the heliocentric model, Earth is just one of several planets orbiting the Sun. Each planet follows an elliptical path around the Sun, with the Sun exerting gravitational force as the central body. This model not only provided a more accurate explanation of celestial motion but also laid the groundwork for modern astronomy and our understanding of the universe's structure.
Today, the heliocentric model is widely accepted and forms the basis of our understanding of the solar system. It has been validated through numerous observations, experiments, and mathematical calculations, including those by Johannes Kepler and Isaac Newton. The heliocentric view allows for a more coherent explanation of planetary motion, gravitational interactions, and other celestial phenomena.
In summary, the transition from a geocentric to a heliocentric model signifies a profound paradigm shift in our understanding of the solar system's organization. It asserts that the Sun, not Earth, is the central body around which the planets orbit, revolutionizing our perspective on the cosmos and laying the foundation for modern astronomy.
Non-segmentation allows for evolution any innovation in body form true or false
Answer:
False
Explanation:
Segmentation provides scope for evolution. Without segmentation, an organism is unable to move its body structure and hence cannot perform advanced bodily functions. Along with segmentation jointed appendages also provide scope for evolution as these enable an organism to travel and protect themselves from harmful conditions. Segmentation also allows for division which enables an organism to evolve continuously and hence become further advanced to perform much higher activities and functions. Hence, the given statement is false
List the name and number of each molexule forming ATP.
Answer:
Each ATP molecule contains one ribose molecule, one adenine molecule and three phosphate groups.
Explanation:
Each molecule of Adenosine triphosphate (ATP) is composed of one ribose molecule (sugar), one adenine molecule (nitrogenous base), and a chain of three phosphate groups bound to ribose. It is the energy-carrying molecule present in the cells of all organisms. Cells in the body of the organisms produce the energy for their functioning, by converting the energy stored in the food nutrients into a more usable form called adenosine triphosphate (ATP), which will release energy when the need arise. This process is known as cellular respiration.
what is the original science called
ORIGINAL SCIENCE
Explanation:
Science is an enterprise building term that organizes theories and knowledge in the form of tests and predictions based on the universe.Ancient Egypt and Mesopotamia were the roots in which science was discovered in around 3500 to 3000 B.C.Modern sciences are divided into three sciences and they areSOCIAL SCIENCES( ECONOMICS, PSYCHOLOGY)
NATURAL SCIENCES (BIOLOGY, PHYSICS, CHEMISTRY)
FORMAL SCIENCES( LOGIC, MATH)
Original science was first termed as NATURAL PHILOSOPHY and the scientists of this science were termed as NATURAL PHILOSOPHERS.The English word scientist was termed by WILLIAM WHEWELL in the period of the 19th century.how many ATP molecules must be invested to break one molecule of glucose into 2 molecules of pyruvate
Answer:
4 ATP
Explanation:
Answer:
4 ATP I think not to sure
What body part do cnidarians use to trap food? endoderm ectoderm polyp nematocyst
nematocyst is the answer
How are unicellular organisms ,such as bacteria and fungi useful to humans and the environment.And what are 2 examples
Answer:
Unicellular organisms like bacteria and fungi are very useful for human in various way. Bacteria such as NItrobactor, Psuedomonas, Lactobacillus, E.coli are very useful in variety of use., Some fungi like Penicillium, produce antibiotics, fungi is a good source of food.
Explanation:
Here we can understand the usefulness of bacteria and fungi by following points-
Bacteria play an important role in fermentation, bakery, brewing, dairy industries.They are very important factor in production of beer, wine, ethanol and other beverages including tea and coffee in production of tea , curling of leaves is not possible without bacteria.They are important in production of penicillin, and other antibiotics.Mushroom consumed as a single cell protein is a fungi and rich source of protein.As nitrogen fixer bacteria plays very important role.Lactobacillus converts milk into curd and dairy product cant be prepare without these organisms.E.coli is common resident of human intestine produce vitamin B12.Fungi are very effective in decomposition and help in cleaning environment.These are helpful in manure forming and biogas production.Final answer:
Unicellular organisms like bacteria and fungi are useful to humans and the environment. Bacteria help decompose organic matter and are used in food production. Fungi break down organic matter, produce antibiotics, and aid in food fermentation.
Explanation:
Unicellular organisms, such as bacteria and fungi, have several uses for humans and the environment. Bacteria, for example, play a vital role in decomposing dead organic matter, thus recycling nutrients back into the ecosystem. They are also used in the production of various foods, such as yogurt and cheese. Fungi, on the other hand, are important decomposers and play a crucial role in breaking down organic matter. They are also used in the production of antibiotics, such as penicillin, and in the fermentation of food and beverages, like bread and beer.
Define the Problem/Observation: My electric fireplace does not light up when I turn it on.
Answer:
Observation:
When to turn on the electric fireplace, it is not working
problem:
The electric fireplace is out of order therefore by providing electricity it i snot working.
State two reasons why some molecules can pass through a certain membrane, but other molecules can not.
Answer:
Size and polarity
Explanation:
I can think of two reasons:
Size — the molecules may be too big to pass through the pores of the membrane Polarity — polar molecules and ions cannot pass through a nonpolar membrane.
What scientist is credited with proposing the principle of uniformitarianism?
O James Hutton
O Nicolaus Steno
O John Wesley Powell
O William Smith
Where is the tropical rainforest biome found?
A. near the polar ice caps
B. near the equator
C. in northern coniferous forests
D. in mild temperature climates
Answer:
it's B
Explanation:
Tropical rainforest biome occur in regions that like between the equator and latitudes 5°-10° N and S. The forest areas are mainly in the lowlands but they can also extend hillslopes to a height of 600 or 900m.
An example is in Nigeria.
The climate in tropical rainforest regions is hot and wet throughout the year. It is dense and made up of many types of broad leaved trees that are mostly evergreen.
Epiphytes plants and Woody climbers known as Lianas are common features of these forests.
PeAcE.
Final answer:
The tropical rainforest biome is located near the equator. This biome is distinct from boreal forests, which are found in the colder regions south of the Arctic Circle and are characterized by coniferous trees.(Option B)
Explanation:
The tropical rainforest biome is found near the equator. Characterized by high biodiversity and constant warmth, it experiences abundant rainfall throughout the year. The tropical rainforest is the most diverse terrestrial biome and is often referred to as 'nature's pharmacy' due to the potential for new drugs from the organisms that inhabit these forests. With its dense vegetation of evergreen trees with broad leaves, the tropical rainforest biome plays a crucial role in the Earth's ecology and climate.
Boreal forests, also known as taiga or coniferous forests, are a different biome entirely, found in much colder regions south of the Arctic Circle. The boreal forest experiences cold, dry winters and short, cool, wet summers, and is characterized by trees such as pines, spruces, and firs that can tolerate the harsher conditions. This biome spans across Northern America and Eurasia, with its southern border extending to roughly between 50° and 60° north latitude.
How do certain organelles help cells maintain homeostasis?
Answer:
The cell contains many organelles whose primary job is to either control what goes in and out of the cell or to control the influx and out-flux of certain materials that can potentially change the environment of the cell. These organelles are listed below:
Cell membraneMitochondriaAutophagosomesLysosomesExplanation:
A stable environment is paramount to the proper functioning of a cell. The regulation of the cells' internal environment to keep it stable is termed as homeostasis. Cell organelles perform varied functions to stabilize the cell's environment:
Cell Membrane:The cell membrane is the outer covering of the cell that serves as semi-permeable barrier against the extracellular environment. Being a semi-permeable barrier, the cell membrane only allows specific substances to enter the cell.
Mitochondria:Apart from being the power house of the cell, mitochondria also play an active role in homeostasis. Mitochondria detect nutrient levels in the cytoplasm; they are also involved in lipid catabolism.
Autophagosomes and LysosomesAutophagosomes aid homeostasis by degrading and getting rid of harmful substances such as old/damaged organelles, pathogens, protein aggregates and storage nutrients such as lipid droplets. Autophagosomes deliver these harmful substances to lysosomes. Lysosomes are the cell's principal recyclers. They digest the lethal substances and export their remains outside the cell.
Apart from these, there are other organelles that indirectly contribute to homeostasis:
Although not directly involved, the ribosomes are responsible for the production of the proteins that are involved in the very process of homeostasisWhich body changes occur during adolescence?
A) sexual maturity and growth spurts only
B) puberty and growth spurts only
C) sexual maturity and puberty only
D) growth spurts, puberty, and sexual maturity
Answer:
D
Explanation:
These include voice changes, body shape, pubic hair distribution, and facial hair.
Breast development. changes in body shape and height. growth of pubic and body hair. the start of periods.
The first places to grow are the extremities (head, hands, and feet), followed by the arms and legs, and later the torso and shoulders. This non-uniform growth is one reason why an adolescent body may seem out of proportion. During puberty, bones become harder and more brittle.
During adolescence, individuals experience puberty, marked by an adolescent growth spurt, sexual maturity, and the development of primary and secondary sexual characteristics. These changes are regulated by hormones and result in noticeable physical transformations.
Explanation:Body Changes During AdolescenceDuring adolescence, a number of significant body changes occur as part of the developmental process. Adolescence is identified by the onset of puberty, during which individuals experience a series of physical and hormonal changes that lead to sexual maturity. One notable change is the adolescent growth spurt (AGS), a period characterized by rapid growth in height and weight, and changes in body composition and proportions.
Further developments during puberty include the maturation of primary and secondary sexual characteristics. Primary sexual characteristics involve the organs needed for reproduction, such as the uterus and ovaries in females, and the testes in males. Secondary sexual characteristics are indicative of sexual maturation but do not directly involve the reproductive organs, such as the development of breasts and hips in females, and facial hair and a deepened voice in males. These changes are controlled by a complex release of hormones including GnRH, LH, FSH, testosterone in males, and estrogen in females.
Therefore, the correct answer to the question 'Which body changes occur during adolescence?' is D) growth spurts, puberty, and sexual maturity.
1.
A human is a. .
A. one-celled eukaryote.
B. many-celled eukaryote. :
C. one-celled prokaryote.
D. many-celled prokaryote.
many
B. many celled eukaryotic.
Hope this helps, if not, comment below please!!!!!
What are the two specific concerns of species diversity?
Species diversity is very important to keep a biodiversity and a sustainable ecosystem running.
Explanation:A species diversity is of three types. It’s actually a biodiversity which are of three types – alpha biodiversity, beta biodiversity and a gamma biodiversity. These bio diversities are necessary for a particular reason. They are
A biodiversity comprises of the total quantity of each species residing in a particular ecosystem. Now decrease or increase in any of the species hamper the others, as all of them are being in a food chain. A biodiversity makes the earth habitable. This is why a biodiversity is necessary for a sustainable ecosystem and carrying a race forward.Question 9(Multiple Choice Worth 3 points)
(05.01 LC)
Complete the following statement. The universe is filled with millions of______grouped in clusters.
galaxies
solar systems
planets
moons
Answer:
The answer is "galaxies."
Explanation:
The "universe" is also called "the cosmos." It includes space, time and heavenly bodies such as planets, sun, moon, galaxies, etc.
A galaxy is considered to be a big collection of gas, dust, stars (including their solar systems). All of these are being held together by "gravity." The Earth's galaxy is called the "Milky Way." The name is derived from how it appears from afar.
Other than our galaxy, there are millions or even billions of other galaxies in the universe! They come in different colors, shapes and sizes. They appear clustered together due to "mutual gravity." A cluster consists of hundreds to thousands of galaxies.
Which of the following does not occur due to passive transport?
a. the substance moves to an area of lower concentration
b. the concentration of a solution approaches equilibrium
b. the volume of a solution changes due to the movement of water
d. a concentration gradient of a dissolved substance in a solution is created
Answer:
c - the volume of solution changes due to movement of water.
Explanation:
Passive transport is the movement of a substance from an area of high concentration to a low concentration across a semi-permeable membrane, that occurs without the expenditure of energy.
Option A is true: substances will always move from an area of high concentration to a lower concentration. This creates what is called a concentration gradient (which forms when a physical area contains a range of concentrations of s particular substance (option D). This occurs until the concentration of a solution approaches an equilibrium, as indicated in option B.
However, the movement of substances does not affect the movement of or the volume of water, only the chemicals, ions etc. in the water.
Which type of fossil is an imprint made by an organism that was preserved in rock? A.cast fossil B.sedimentary fossil C.mold fossil D.petrified
Answer:
Which type of fossil is an imprint made by an organism that was preserved in rock? A.cast fossil B.sedimentary fossil C.mold fossil D.petrified. I honestly don't know the answer but in my opinion its B.sedimentary fossil don't know look here.
Explanation:
Well a sedimentary fossil does have organisms, plus+ Jump to Fossils - Sedimentary rocks contain important information about the history of the Earth. They contain fossils, the preserved remains of ancient plants and animals. ... Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains.
Sedimentary fossil is an imprint made by an organism that was preserved in rock.
What is sedimentary fossil ?
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation.
Why are fossils found in sedimentary rocks?
Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such as lakes or ocean basins) have the best chance of being preserved.
Hence , B is correct option
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Donna is studying phase changes. She claims that since the three phases have different amounts of energy, molecules in substances gain or lose energy only during phase transitions. What is incorrect about this claim?
Molecules gain or lose energy during any temperature change, not just phase changes.
Molecules do not have any energy changes, because they have a set amount of energy all the time.
Molecules are constantly losing energy, no matter what phase change is happening.
Energy levels are not related to phase changes.
The molecules do gain or loose energy from surrounding all the time depending on the temperature difference. So its not only during the state changes.
Option A.
Explanation:The molecules in a particle has a particular amount of energy all the time. This is the molecular kinetic energy that owes to the vibration of a molecule at a particular time.
In case of a temperature difference between a matter and its surrounding, the molecules do either absorb energy or emit energy. During a state change, the energy absorption or emission is huge, which leads to the change of state, and there's no change in temperature of the matter at that particular time. So energy changes do occur at any time, not only during the change of state
Answer: Molecules gain or lose energy during any temperature change, not just phase changes.
Explanation: Molecules can experience an increase in temperature in circumstances other than phase changes. Also, i got 100 on the exam
prokaryotic cells have membrane enclosed cells structures
Chipko Movement was started bybishnoi samaj of Rajasthan
The first ever Chipko Movement was initiated by the Bishnoi Samaj in Rajasthan about 260 years ago.
Explanation:
It all began when the Jodhpur King ordered to axe a huge number of trees in the khejadi village of Jodhpur.
When the soldiers began to cut the trees in spite of people protesting against it, one of the villagers (Bishnoi community) named, Amrita Devi, hugged a tree along with her daughters so as to protect it from the soldiers.
But unfortunately, the soldiers sacked the heads of Amrita Devi and her daughters; which led the villagers to rise together and protect the trees in the same way like how Amrita did.
The soldiers also sacked a lot of villagers who embraced the trees. Finally, the king startled at the unity of the people, abandoned the idea of axing the trees.
This movement based on the principles of satyagraha and non-violent resistance done by hugging the trees to protect them from being axed down became the novel example for all forest conservation movements.
Answer:
The Chipko movement or Chipko Andolan, was a forest conservation movement in India. It began in 1970s in Uttarakhand, then a part of Uttar Pradesh (at the foothills of Himalayas) went on to become a rallying point for many future environmental movements all over the world. It created a precedent for starting nonviolent protest in India,[1] and its success meant that the world immediately took notice of this non-violent movement, which was to inspire in time many similar eco-groups by helping to slow down the rapid deforestation, expose vested interests, increase social awareness and the need to save trees, increase ecological awareness, and demonstrate the viability of people power. Above all, it stirred up the existing civil society in India, which began to address the issues of tribal and marginalized people. The Chipko Andolan or the Chipko movement is a movement that practiced methods of Satyagraha where both male and female activists from Uttarakhand played vital roles, including Gaura Devi, Suraksha Devi, Sudesha Devi, Bachni Devi and Chandi Prasad Bhatt, Virushka Devi and others. Today, beyond the eco-socialism hue, it is being seen increasingly as an ecofeminism movement. Although many of its leaders were men, women were not only its backbone, but also its mainstay, because they were the ones most affected by the rampant deforestation,[2] which led to a lack of firewood and fodder as well as water for drinking and irrigation. Over the years they also became primary stakeholders in a majority of the afforestation work that happened under the Chipko movement.[3][4][5] In 1987, the Chipko movement was awarded the Right Livelihood Award "for its dedication to the conservation, restoration and ecologically-sound use of India's natural resources."[6]
Chipko-type movements date back to 1730 AD when in village Prasanna Khamkar of Rajasthan, 363 Bishnois sacrificed their lives to save Khejri trees.
Explanation:
Which phrases describe air pressure? Select three options.
decreases with denser air
decreases as altitude increases
equals mass divided by volume
results from a column of air pushing on an area
decreases due to fewer air particles pushing down
Pressure is the force exerted, by a substance, per unit area.
Explanation:
Pressure is given by the formulae;
P = F/ A
Whereby;
P = pressure
F = Force
A = area
Remember that ..
F = Ma
Whereby;
F = Force
M = mass
a = acceleration
Therefore pressure can be given as;
P = Ma / A
The mass of the above column of a substance multiplied by the acceleration due to gravity = pressure exerted by the substance.
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Answer:
B. decreases as altitude increases
Explanation:
I did the test
Which of the following denotes particles
in a liquid state?
A. Particles are packed tightly together, allowing no
movement
B. Particles are able to move freely, some friction occuring
C. Particles are packed tightly together, allowing some
movement
D. Particles are moving very fast
The particles in a liquid state are able to move freely, with some friction occurring.
Explanation:The correct answer is B. Particles are able to move freely, some friction occurring. In a liquid state, the particles have enough energy to overcome some of the attractive forces between them, allowing them to move and flow. While the particles are still in close proximity, they are not tightly packed together like in a solid state. The movement of liquid particles gives liquids their characteristic ability to take the shape of their container.
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The proteins will correspond with facilitated transportation
Option A
Carbohydrate will correspond with cellular respiration.
Option D
Lipid forms the cell membrane.
Option B
Nucleic acid will correspond with identical daughter cells.
Option C
Explanation:Proteins form all the sorts of receptors that are associated with the both transport and chemical messenger of the cell. The proteins help in facilitated transportation across the cell membrane along the concentration gradient.
The carbohydrates are the chief respiratory substrate that are biologically oxidized in an aerobic respiration to give out carbon dioxide, water and energy.
The lipids are the main composition of a cell membrane which is formed of phospholipids like lecithin, cephalin etc. These lipids have both hydrophilic and hydrophobic characters which is ideal for a cell membrane.
The nucleic acids are the DNA and RNA which are the genetic messengers of a cell that carries the genetic information across the generations to maintain the particular race. They maintains the properties of the organism.