Lipids also serve as waxy coverings (cuticle) on plants, pigments (chlorophyll), and steroids. Lipids have more carbon and hydrogen atoms than oxygen atoms. Fats are made of a glycerol (alcohol) and three fatty acid chains. This subunit is called a triglyceride.
Lipids also act as the waxy cuticle that protects plants, pigments, and steroids. In lipids, carbon and hydrogen atoms predominate over oxygen atoms.
Thus, Glycerol, an alcohol, and three fatty acid chains make up fats. A triglyceride is the name of this component.
A family of chemical molecules known as lipids is largely water insoluble. Lipids are molecules with high energy yield that are made up of fats and oils and primarily consist of carbon, hydrogen, and oxygen in their chemical makeup.
Lipids have three main biological activities in the body: they are essential signalling molecules, structural elements of cell membranes, and energy storage facilities.
Thus, Lipids also act as the waxy cuticle that protects plants, pigments, and steroids. In lipids, carbon and hydrogen atoms predominate over oxygen atoms.
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The world would be very different in terms that there would not be many animals or there would be different animals. The reason for this is... if there are no photosynthetic plants the animals would have barely anything to eat so if these photosynthetic were not here humans might not even be alive due to lack of food. The main creatures would live in the sea to eat algae or similar. Read more on Brainly.com - https://brainly.com/question/1029780#readmore
The world wouldn't be livable, that is correct.
Certain gases in Earth’s atmosphere slow down the movement of energy away from Earth’s surface by absorbing and re-emitting infrared radiation. This helps to keep the surface of Earth at an average temperature of 15°C (59°F). What is this process called?
A. The Coriolis effect
B. The solar cycle
C. The greenhouse effect
D.The global warming effect
the biomolecule described is a
The biomolecule is described as a macromolecule which includes proteins, nucleic acids, carbohydrates, and lipids. It is made up of smaller units called monomers, with carbon playing a crucial role in forming the backbone of these structures. These are vital for various biological processes within all living organisms.
Explanation:The biomolecule as described here is a macromolecule. Macromolecules consist of smaller units known as monomers and are key in life processes. Functionally important macromolecules are mainly made up of carbon atoms, which can form covalent bonds with up to four different atoms. This unique property makes carbon the basis for the structural component, or backbone, of these macromolecules.
These macromolecules include proteins, nucleic acids (DNA and RNA), carbohydrates, and lipids. For instance, proteins are composed of monomers known as amino acids. Carbohydrates, defined by a carbon-to-hydrogen and oxygen ratio of 1:2:1, provide energy and structural support in cells.
Overall, these biomolecules or macromolecules are essential for various biological processes and serve as the structural and functional basis for all living organisms.
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5) The chemical process for respiration A) releases ADP. B) releases energy. C) releases oxygen. D) releases glucose.
Answer:
B) releases energy.
Explanation:
Cellular respiration is a process in which organic molecules are oxidized and the production of ATP (adenosine triphosphate) occurs, which is used by living beings to meet their energy needs, ie respiration is a biochemical process that results in the release of energy. Breathing occurs in three basic steps: glycolysis, the Krebs cycle, and oxidative phosphorylation.
if you need to make 5 cups of an 80% chloride solution describe or draw how much water and chloride you would need to use to get the right concentration
Hi
Solutions can be measured by volume, weight, or both but the most commonly used method is is weight per volume.
Explanation
Unless there are specific instructions which in this question are not, we can suppose that assume that 80 % chloride solution means 80g of chloride (weight) , for every 100 milliliters of water (volume).
For a 100 milliliter solution, we will need 100 x .8 = 80 grams of sugar.
First of all measure the amount of chloride by weighing balance carefully.Pour the chloride in a container marked in milliliters.Keep adding the water until it reaches 100ml and stir well.Divide 100 ml solution in 5 cups, 40 ml in each cup.Hope it help!
Will MARK BRAINIEST!
Sally's class made a list of things that were used everyday by themselves and their families. Ms. Jennings, their teacher, asked the class which natural resources were renewable. That means, which resources could be replaced easily. Sally raised her hand and said there were two on the list. Which two do you think Sally had in mind as renewable?
A) oil and gold
B) gold and iron
C) cotton and iron
D) trees and cotton
Sally likely chose trees and cotton as the two renewable resources because they are both natural materials that can be replenished relatively quickly through natural processes or human cultivation, unlike oil, gold, and iron.
Sally likely had D) trees and cotton in mind as the two renewable resources on the list. Here's why:
Trees: The image clearly shows that trees are a natural resource used to make paper, furniture, homes, and even fuel. Trees are considered renewable because they can be replanted and grown relatively quickly compared to other resources like oil or metals.
Cotton: Cotton is also listed as a natural resource used for clothing and paper. Cotton plants are renewable because they can be harvested and replanted annually.
The other options are less likely to be considered renewable for the following reasons:
Oil and gold: Oil and gold are both fossil fuels and minerals, respectively, which means they were formed millions of years ago from organic matter or geological processes. They are not readily replaceable within human timeframes and are therefore considered non-renewable resources.
Iron: Iron is also a non-renewable resource as it is mined from the earth and its formation takes millions of years. While it can be recycled to some extent, it's not easily replaced in its natural form.
Therefore, based on the information provided in the image and the definition of renewable resources, trees and cotton are the most likely candidates that Sally would have identified as renewable on the list.
molecules naturally spread from areas of ____ concentration to areas of ____ concentration through a process called_____
a.high-low-diffusion
b.low-high-diffusion
c.high-low-active transport
d.low-high-passive transport
Answer:
High-low-diffusion
Explanation:
The transport of molecules may occur from the region of the high concentration to the reign of lower concentration or vice-versa. The different transport process are diffusion, osmosis and active transport.
Diffusion may be defined as the movement of the particles to the lower concentration from its region of the higher concentration. The molecules moves towards the concentration gradient. The diffusion occurs naturally in the cells and does not require energy for its transport.
Thus, the correct answer is option (a).
Molecules naturally spread from areas of high concentration to areas of low concentration. This process is called diffusion and does not require energy. The process where molecules move from low to high concentration is called active transport and it requires energy.
Explanation:Molecules naturally spread from areas of high concentration to areas of low concentration through a process called diffusion. This process is described by the principle of diffusion in biology which dictates that molecules tend to spread out evenly in an available space. This movement happens passively, meaning it does not require energy, making option a) high-low-diffusion the correct answer.
On the other hand, active transport refers to the movement of substances against a concentration gradient (from low to high concentration), and this process requires energy. Passive transport refers to the natural movement of substances along a concentration gradient (from high to low concentration) without the use of energy. The understanding of these principles is crucial in biology particularly in the study of cell processes.
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earth continental plates can move as little as 3 centimeters per year. the quaternary period has lasted for 2 million years. what is the minimum distance in kilometers that a continental plate has moved during the quaternary period?
which change in the atmosphere appears to contribute to global warming
More co2 which can cause “holes” in the earths atmosphere causing the suns radiation to come through.
the smallest units of life in all living things are?
A. Cells
B. Mitochondria
C. Cytoplasm
D. Golgi Apparatus
The correct answer is A. Cells
In living things, whether it is microscopic Amoeba, composed of one cell or big elephant made of many cells, a cell is the basic or fundamental unit. It is the smallest unit of a living thing. Thus, cells are the building blocks of all organisms. A cell perform all the life processes in unicellular organisms, whereas in multicellular organisms, they grouped into tissues to carryout functions.
in Which ways is photosynthesis important to life on earth? Check all that apply
Due to photosynthesis, plants convert Sunlight and Carbon Dioxide into Oxygen. All living things breathe in this gas (Oxygen).
Photosynthesis allows the air and oxygen into the earth and co2 out of the air and into the plants.
An oak tree gets nourishment from the Sun and produces acorns. Squirrels eat the acorns for food. What happens to the molecules in the food consumed by the squirrel?
A.
The molecules get eliminated completely by the squirrel as waste.
B.
The molecules get converted to energy and other types of molecules.
C.
The molecules get converted to energy only.
D.
The molecules are destroyed in the animal's body.
The answer would be B.
Hope this helps!
Final answer:
The molecules in the food consumed by a squirrel are converted to energy and other types of molecules through the process of cellular respiration.
Explanation:
When a squirrel consumes acorns for food, the molecules in the food are not eliminated completely, nor are they destroyed in the animal's body. Instead, these molecules undergo a biochemical process known as cellular respiration. During cellular respiration, the organic molecules originally produced by plants, like sugars, are converted into energy that the squirrel's body can use for various life processes. Additionally, these molecules are transformed into other types of molecules that are necessary for the squirrel's growth and maintenance. So the correct answer is B. The molecules get converted to energy and other types of molecules.
how do the bees pollinate
By capturing the pollen on their feet as they land on each new plant
Bees pollinate by collecting pollen or nectar from flowers, which sticks to their fuzzy bodies and gets transferred to other flowers as they move from one to another, assisting in the reproduction of many plants.
Bees, particularly species like bumblebees and honeybees, play a crucial role in pollination, which is vital for many garden plants and commercial fruit trees. As bees cannot perceive the color red, they are attracted to flowers with hues of blue, yellow, and other colors. These flowers typically have a tubular shape, bright colors, a pleasant aroma, and a nectar guide to efficiently direct bees to the center. The process begins when a bee lands on a flower to collect energy-rich pollen or nectar, essential for their sustenance and energy needs. When the bee enters the flower, the pollen adheres to its fuzzy body. The next time the bee visits another flower, some of this pollen is transferred to the second flower, resulting in pollination. However, a worrying trend has emerged with the declining population of honeybees, which could have dire consequences for pollination and, consequently, food production.
Which change of state occurs at 100 °C when heat energy has been added to liquid water?
A. boiling
B. melting
C. freezing
D. condensing
A. Boiling
Boiling point is 100 degrees Celsius
I hope that helps u! :)
The answer is A. boiling because 100⁰ Celsius converts to 212⁰ Fahrenheit, and water boils at 212⁰F
The United states is a leading producer of which of the following fossil fuels
A- oil
B- natural gas
C- liquid petroleum gas
D- coal
The answer is; C
According to 2015 data, the US produces approximately 766,200 million cubic meters of LPG annually with the second being Russia producing 635, 500 million cubic meters. LPG is usually made from converting natural gas from hydrocarbon underground into a liquid for transportation and use as gasoline of jet fuel.
A hawk swoops down And catches a squirrel the squirrel provides energy or the hawk what happens to the rest of the matter
The squirrel gets energy from eating its diet. When the hawk eats it, that energy is transferred from the squirrel into the hawk. Nutrients the hawk needs gets absorbed into the bloodstream through arteries and veins in the stomach to the brain, and these nutrients can be turned into amino acids, with help grow necessary things on your body, such as hair, nails, or, in this case, feathers and claws. Any unneeded matter is flushed out of the body in the form of waste.
The hawk gains energy by digesting the squirrel. The indigestible matter from the squirrel is excreted, and returns to the ecosystem, where it can be used by other organisms.
Explanation:When a hawk swoops down and catches a squirrel, the hawk acquires energy by metabolizing the squirrel's body mass through digestion. This energy is utilized by the hawk for its various physiological activities such as flight, hunting, and reproduction. However, the squirrel's body also consists of matter that is not digestible or usable by the hawk. This indigestible matter, primarily consisting of bones and fur, is excreted by the hawk, returning it to the ecosystem where it may be further broken down by decomposers into simpler nutrients that can be used by plants and other organisms in the food chain. Therefore, while a portion of the matter in the squirrel provides energy to the hawk, the rest of the matter is recycled back into the ecosystem.
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science fusion grade 7
The question pertains to Physics, specifically to concepts related to gravitational force, electromagnetic force, strong force, and nuclear fusion. These forces and processes have unique characteristics and roles in the universe. The student is also expected to explore the application of these concepts through creating a scientific model.
Explanation:The information you have provided relates to different laws and concepts in Physics. Let's break them down:
Gravitational Force: This is a force that attracts two objects towards each other. The strength of the gravitational force depends on the masses of the objects and the distance between them (spatial scale).Electromagnetic Force: The strength of this force depends on the spatial scale of the situation, the magnitude of electric charges, and their motion. It can attract or repel charges based on their type.Strong Force: This is the force that holds the nucleus in an atom together. It's called 'strong' as it's one of the strongest forces we know of.Nuclear Fusion: This is the process where atomic nuclei come together to form a heavier nucleus. It is the process powering the Sun and stars, as this reaction releases a tremendous amount of energy.It seems like you're also tasked with creating a scientific model of air flow, which is a practical application of the theories you're learning.
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Match the following terms with the correct definition: Question 1 options: The process in which heat energy is transferred through the movement of matter (ex: air or water) The transfer of energy through direct touch (collision of molecules) The process in which the absorption of short-wave by the atmosphere heats up a planet The transfer of energy in particles or waves 1. Greenhouse Effect 2. Convection 3. Conduction 4. Radiation
1. Conduction
The transfer of energy through direct touch (collision of molecules)
2. Convection
The process in which heat energy is transferred through the movement of matter (ex:air or water)
3.Radiation
The transfer of energy in particles or waves
4. Greenhouse effect
The process in which absorption of short wave by the atmosphere heats up a planet.
I believe these are correct \ hope this helps.
The process in which heat energy is transferred through the movement of matter is convection.
The transfer of energy through direct touch is conduction.
The transfer of energy in particles or waves is radiation
HELP FAST!!!!
The diagram below shows an undisturbed rock.
A rock sample is shown with four layers marked A, B, C, D from top to bottom.
Which of the following is true about the fossil found in layer B?
It is the oldest among fossils in all other layers.
It is the youngest among fossils in all other layers.
It has more similarity to fossils in layer A than layer D.
It has more similarity to fossils in layer D than layer C.
It has more similarity to fossils in layer A than layer D.
Answer:
If the rock samples obtained are in the order A-B-C-D from top to the bottom then fossil found in layer B has more similarity to fossil in layer A than layer D.
Explanation:
To estimate the age of fossil we try to determine the age of rock from where the fossil was obtained. The deeper the rock layer, older the fossil would be. Here in the question the most deepest layer of rock is D which means the fossil remains obtained here would be the oldest and can be considered as the ancestor of other the fossils obtained in the layers above it.
The top most layer is A, which is the most recent layer and would contain fossil remains of most recently fossilized animal. Fossils obtained from adjacent layers are expected to have more similarities than the ones obtained from distant layers. Since rock layer B is more closer to A, it will have the fossils with more similarities to fossils in layer A than in layer D.
A trait is a feature or quality of an organism. All organisms have a unique set of traits that they inherit from their parents. Each parent supplies one half of the __________ needed to determine the traits of their offspring. A) centromeres B) chromosomes C) karyotypes D) nuclei
The answer would most likely be D.
Hope this helped!
The right answer is B) chromosomes.
To form a new individual, each parent gives half of its chromosomes through male and female gametes. Each gamete is haploid (those of humans carry 23 chromosomes). The male and female gametes will eventually give a new individual wearing half of the chromosomes of both parents.
Why do some cells have more mitochondria than the others?
Some cells have more mitochondria than others because they require more energy. Mitochondria are the "powerhouses" of the cell, and they are responsible for converting food into energy.
Cells that require a lot of energy, such as muscle cells and nerve cells, have more mitochondria than cells that do not require as much energy, such as skin cells and fat cells.
Here are some examples of cells that have a lot of mitochondria:
Muscle cells: Muscle cells need a lot of energy to contract and relax.
Nerve cells: Nerve cells need a lot of energy to transmit signals throughout the body.
Heart cells: Heart cells need a lot of energy to pump blood throughout the body.
Liver cells: Liver cells need a lot of energy to metabolize food and drugs.
White blood cells: White blood cells need a lot of energy to fight infection.
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makieya123 CAN YOU PLZ ANSWER THIS
Which of these statements about heating up land and water is true?
Land and water are heated to the same temperature.
Land is heated through radiant energy.
Land heats up slower than water.
Land is heated by conduction.
land heats up slower than water I believe
"Land is heated through radiant energy" is correct.
Mitochondrial DNA can be taken from bone, hair, or teeth and used in DNA typing. What are the benefits to using mitochondrial DNA over nuclear DNA? mtDNA requires a much smaller sample than nuclear DNA. mtDNA is useful if the nuclear DNA is degraded. mtDNA is inherited from the mother and father’s egg cells, unlike nuclear DNA. mtDNA is present in all maternal relatives of the person being investigated.
MtDNA is beneficial for DNA typing because it can be analyzed with smaller samples, is useful when nuclear DNA is degraded, is inherited only from the mother, and has a high mutation rate that aids in tracking evolutionary history.
Unlike nuclear DNA, which requires larger samples and contains genetic information from both parents, mtDNA can be useful even when the nuclear DNA is degraded and requires a much smaller sample for analysis. Since mtDNA is inherited maternally, it is present in all maternal relatives and lacks recombination, making it ideal for tracking matrilineal descent. A notable feature of mtDNA is its relatively high mutation rate, which is vital for understanding evolutionary history and for the identification of matrilineal ancestry, even connecting living people to distant ancestors through shared maternal lineage.
What holds the monomers of a single strand of nucleic acid together in a chain?
Answer:
Nucleic acids are of two types DNA and RNA which are made up of monomeric units called nucleotides.
One monomer is one nucleotide which further consists of three parts:
1: Nitrogenous base
2: Sugar (a ribose sugar in RNA and a deoxyribose sugar in DNA)
3: Phosphate group
Explanation:
If we talk about single strand of nucleic acid DNA or RNA, there is a phosphodiester linkage that holds monomers together in a strand of nucleic acids. This phospho di ester linkage is formed when a condensation reaction occurs between a hydroxyl group of two sugars and a phosphate group.
You can see a better representation in attached figure.
Hope it help!
In a single strand of nucleic acid, the monomers (nucleotides) are held together by phosphodiester bonds. These create a sugar-phosphate backbone with protruding nucleotide bases. The bases can pair with others to form a double helix structure via weaker hydrogen bonds.
Explanation:The monomers of a single strand of nucleic acid, known as nucleotides, are held together in a chain by phosphodiester bonds. These bonds occur between the 5' phosphate group of one nucleotide and the 3' hydroxyl group of the next nucleotide, linking them together to form a long polymer or chain. This bonding creates a sugar-phosphate backbone for each single strand of DNA, where the nucleotide bases protrude.
Various nucleotides are used in this process, including adenine, thymine, cytosine, and guanine in DNA, and these form a double helix structure when two such strands are attached at their protruding bases via millions of hydrogen bonds. This structure can easily unzip down the middle, due to the relatively weaker hydrogen bonds compared to the strong covalent bonds in the phosphodiester bonds, allowing both strands to function as templates for replication.
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A scientist was testing an unknown chemical for the presence of various sugars and found that the only sugar present was the monosaccharide ribose. Which of the following molecules is most likely the unknown chemical?
The answer is; Benedict’s reagent
It is used to test for reducing sugars. In presence of these sugars, the reagent, that is blue in color, turns different shaded of red (to brick red), depending on the amount of reducing sugars in the solution. It is important to note that the solution has to be heated.
please help Question 1 (20 points)
Newton's ____________ Law of of motion states that every action has an equal and opposite reaction.
Question 1 options:
1st
2nd
3rd
none
Question 2 (20 points)
2. Air is forced from the bottom of a rocket and its liftoff. The force causing the rocket to liftoff is a(n)?
Question 2 options:
reaction force
combined force
action force
none of the above
Question 3 (20 points)
3. Equal and opposite forces that act on an object are called?
Question 3 options:
dual forces
balanced forces
unbalanced forces
ground forces
Question 4 (20 points)
4. An example of an action and reaction is sitting on a chair. Your body pushes down on the chair because of the force of ______________________. and the chair pushes up on your body with an equal force (normal force)
Question 4 options:
inertia
gravity
friction
none of the above
Question 5 (20 points)
5. Action and reaction always act on the same object.
Question 5 options:
True
False
Newton's 3rd Law. Combined force. Dual forces. Gravity. False.
What type of molecules is used to store and release energy like a battery?
ATP molecules is used to store and release energy like battery.
The principle chemical compound that cell uses to store and release energy is Adenosine triphosphate or ATP.
Adenosine triphosphate :
living things use chemical fuels as well, one of the principal chemical compounds that cells use to store and release energy is adenosine triphosphate ATP.
Three main parts:
ATP consists of
adrenine, a 5-carbon sugar called ribose and three phosphate groups.
If a virus kills the entire coyote population in this ecosystem eliminating all the predators of the rabbit. Describe what you would expect to see happen to the organisms in this ecosystem in the next 5-10 years.
Hello!
The population of rabbits would rapidly increase due to the loss of their natural predators. Since rabbits are consumers, they will consume extreme amounts of producers (plants). Therefore, in the next 5 to 10 years, the population of rabbits would be a problem and the amount of producers would decreased dangerously.
Hopefully this helps! Hugs!
which of the following can best be attributed to the specific function of enzymes
a. binding to foreign substances
b. an increase in water solubility
c. sending signals to the brain
d. an increase in reaction speed
It's D) an increase in reaction speed
:-)
Brainliest?
Answer:
An increase in reaction speed.
Explanation:
Enzymes are bio catalyst that can increase the rate of a biochemical reactions. Enzymes are highly specific in nature and works at optimum temperature and pH condition.
Enzymes decreases the activation and increases the number of effective collision of the reaction. Hence, increases the speed of the reaction.
Thus, the correct answer is option (d).
A pack of wolves in a natural preserve has a population growth rate of x. Which of the following formulas will allow you to estimate the pack’s doubling time? A) x/100 B) 70 - 2x C) 70/x D) 70 - x/100
The correct answer is C) 70/x.
To calculate doubling time, rule of 70 formula is used. For this the annual growth rate of the population is required. In this question growth rate is given x. Thus, doubling time = 70/ growth rate.
Therefore, doubling time = 70/x.
Answer:
Option C
Explanation:
Rate of increase in a population is generally written as net population increase in a unit time.
Here "X" represents the growth rate of population of wolves.
Let us assume that X is equal to [tex]23[/tex] wolves per month.
This means that 23 wolves are added every month to the wolves population.
Suppose if we have to derive the time in which the wolves population will increase to any number let us say "Y"
Then , time required will be equal to
[tex]\frac{Y}{X}[/tex]
That means X will be denominator in a mathematical expression.
Thus, option C is correct