All organisms are made up of cells. Organisms can have
A.
200-300 cells each.
B.
either many cells or no cells.
C.
only one cell each.
D.
one cell or many cells.

Answer:

When the cell needs to produce a certain protein, it activates the protein's gene–the portion of DNA that codes for that protein–and produces multiple copies of that piece of DNA in the form of messenger RNA, or mRNA. ... We now know that RNA can also act as enzymes (called ribozymes) to speed chemical reactions.

Explanation:

When the cell needs to produce a certain protein, it activates the protein's gene–the portion of DNA that codes for that protein–and produces multiple copies of that piece of DNA in the form of messenger RNA, or mRNA. ... We now know that RNA can also act as enzymes (called ribozymes) to speed chemical reactions.

Final answer:

Asexual reproduction is most likely to result in a rapid growth in population.

Explanation:

The type of reproduction that is most likely to result in a rapid growth in population is asexual reproduction. Asexual reproduction involves the production of offspring without the need for a mate, and it can occur through various methods such as binary fission, budding, or fragmentation. Since asexual reproduction does not require the time and energy needed to find a mate, it can lead to a rapid increase in population size under favorable conditions. For example, bacteria can reproduce through binary fission, where a single cell divides into two identical cells. Each of these cells can then divide again, resulting in exponential population growth.

Answer:

D

Explanation:

It is D because they can reorganize the chromosomes.

Mutations increase genetic variation due to changes in DNA. Therefore, option D is correct.

Mutations are changes in the DNA sequence that can occur spontaneously or due to exposure to environmental factors such as radiation, chemicals, or viruses. Mutations can affect a single nucleotide (a change in a single base pair), a small segment of DNA, or a larger portion of a chromosome.

Mutations can occur during DNA replication, meiosis, or exposure to mutagens. They can be beneficial, harmful, or neutral to an organism's survival and reproduction.

Some mutations can result in new genetic variations that provide an advantage in a certain environment. Other mutations can cause genetic disorders or increase the risk of certain diseases. Therefore, option D is correct.

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565. 685  miles

Explanation:

The description of the vector of the plane travel forms a  trapezoid shape as shown in the attached diagram.  The requested vector distance is the hypotenuse of the right-angled triangle on the right. We understand that to get hypotenuse we use the formula;

a² + b² = c²

400² + 400² = c²

c² = 320,000

c = 565. 685

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Answer:

The answer is C. The electron transport chain

Explanation:

* Each NADH yields a total of 3 ATP molecules whereas each FADH2 yields 2 ATPs.

Answer:

C.a negatively-charged ray of light and electrons

Final answer:

A gamma ray is best described as an energy ray with no mass and no charge, and is a type of high-energy electromagnetic radiation.(Option A)

Explanation:

The correct answer to the question 'Which best describes a gamma ray?' is A. an energy ray with no mass and no charge. Gamma rays are a form of electromagnetic radiation, similar to X-rays, but with higher energy. They are represented by the symbol γ, and unlike alpha or beta particles, gamma rays are not particles, but rather high-energy photons. As such, they have no mass and carry no electric charge.

Gamma rays possess tremendous penetration power, capable of passing through several inches of material, like lead, or even the human body, without being absorbed or deflected. Given their lack of ionizing power compared to alpha or beta particles, they have the greatest ability to penetrate matter.

Answer:

Answer: label O: organic material

Label A: topsoil

Label B: subsoil

Label C: weathered rock

Explanation:

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Answer:

Enzymes 'reduces the activation energy' of both Exergonic and Endergonic Reaction by acting as a catalyst.

Explanation:

Enzymes lower the activation energy of both exergonic and endergonic reactions.

In biological systems, enzymes play a crucial role in lowering the activation energy of chemical reactions. Activation energy is the energy required to start a reaction. Enzymes facilitate reactions by providing an alternative pathway with a lower activation energy, allowing the reaction to occur more easily and at a faster rate. For exergonic reactions, which release energy, enzymes can help decrease the activation energy. For endergonic reactions, which require energy input, enzymes can still lower the activation energy required for the reaction to proceed.

Answer:

Acid deposition-usually referred to simply as acid rain-actually includes two forms of pollution, wet and dry. ... In the wet type of acid deposition, these compounds combine with water vapor in the atmosphere to form highly corrosive sulfuric and nitric acids.

Explanation:

The accumulation of acids or acidic compounds on the surface of the Earth, in lakes or streams, or on objects or vegetation near the Earth's surface, as a result of their separation from the atmosphere. Acid deposition can harm the environment in a variety of ways, as by causing the acidification of lakes and streams, the leaching of minerals and other nutrients from soil, and the inhibition of nitrogen fixation and photosynthesis in plants.♦ The accumulation of acids that fall to the Earth dissolved in water is known as wet deposition. Wet deposition includes all forms of acid precipitation such as acid rain, snow, and fog.♦ The accumulation of acidic particles that settle out of the atmosphere or of acidic gases that are absorbed by plant tissues or other surfaces is known as dry deposition.

Answer:

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Acid deposition-usually referred to simply as acid rain-actually includes two forms of pollution, wet and dry. ... In the wet type of acid deposition, these compounds combine with water vapor in the atmosphere to form highly corrosive sulfuric and nitric acids.

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Answer:

Albert Einstein

Explanation:

Albert Einstein developed a theory that describes how light interacts with gravity.

Answer: Albert Einstein

Explanation:

Answer:

A. Energy Created                                  Mitochondria

B. Energy Required                                Active Transport

C. Eukaryote                                           Nucleus  

D. No Energy Needed                           Passive Transport  

E. Osmosis                                              Diffusion of Water

F. Package & Sort                                   Golgi Body  

G. Plant Cells                                 Cell Wall, Chloroplast, Large Vacuole

H. Photosynthesis                                   Chloroplast

I. Prokaryote                                            No Nucleus

J. Protein Synthesis                                 Ribosome                                                               K. Semi-Permeable                        Cell Membrane- (Somethings in/out)

L. Transport (ER)                              Endoplasmic Reticulum

Explanation:

This question is based on different organelles and their functions:

A.  Mitochondria is the power house of the cell; it creates energy for all life processes.

B.  Active transport is a transport system in the cell that requires energy to transport substances from lower to higher concentration.

C.  Eukaryotes is a classification term for organisms that have a nucleus.

D.  Passive transport is a transport system that does not require energy to transport substances from higher to lower concentration.

E.  Osmosis is the process of diffusion of water from low solute/high water concentration to high solute/ low water concentration.

F.  Golgi body is a cell organelle responsible for packaging and transport of substances in the form of vesicles.

G.  Plant cells have a cell wall, chloroplasts and large vacuoles.

H.  Photosynthesis occurs in the chloroplast of plant cells.

I.   Prokaryotes is a classification term for organisms that don't have a nucleus.

J.  Ribosomes are cell organelles responsible for protein synthesis.

K.  The cell membrane is semi-permeable i.e. it allows specific molecules/substances to enter while stopping others.

L.   Endoplasmic reticulum  helps in protein and vesicle transport.

Answer:

Controlling the proteins in an organism controls the organism's characteristics because proteins are enzymes, and enzymes catalyze and regulate chemical reactions, and therefore can control certain traits such as color, shape, or even gender.

Explanation:

Controlling the proteins in an organism regulates the organism's characteristics because translation regulates the protein expression of cells based on DNA sequences and eventually the characters are expressed.

In general, the cell has genetic contents that are expressed in terms of transcription and translation, and here these are called the fundamental processes of the cell as they are required by the cells for enzyme formation, synthesis of the receptors, membrane protein, and expression of the traits. If the translation is regulated, then the message present in the DNA is also regulated, and the protein expression can be controlled.

As a result, controlling the proteins in an organism regulates the organism's characteristics because translation regulates the protein expression of cells based on DNA sequences and eventually the characters are expressed.

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Answer:

Kingdom, sorry if its wrong! I hope this helped!

Answer:

True

Explanation:

We all begin existence as the simplest thing you can imagine if you're trying to picture life: a single cell--nothing, in other words, but a tiny, spherical bag of proteins. In fact, the average one-celled amoeba looks far perkier under a microscope than a fertilized human egg

The probability of an offspring being white in the given scenario, assuming heterozygous parents, is 25%, as calculated using a Punnett square.

The probability of an offspring being white in the given plant species, where purple (P) is dominant over white (p), can be determined by creating a Punnett square. If we assume both parents are heterozygous (Bb), the Punnett square would have one quarter (bb) representing white flowers. Therefore, there is a 25% chance that an offspring will have white flowers (rr). The other three quarters would result in purple flowers because of the dominant purple allele (P), showing a 3:1 ratio of purple to white.

the argument that the researcher supports in this statement is that the Viruses are nonliving

Answer : Option C

Explanation:

Viruses are organic structures and they are often termed as "organisms at the end of life". Virus is not considered a living as it does not have a biological machinery to replicate.It is a parasite and it needs a host to replicate.

The virus tries its entry through the wounds, respiratory tracts and by passing through insects.

The complete virus particle is known as virion which consists of a nucleic acid surrounded by a capsid, Virus first attach themselves to a host through their surface.

Answer:

Organic molecules present  in chicken are Nucleic acid, proteins, carbohydrate and lipids .

Explanation:

Chicken itself has the all four organic molecules in it. Organic molecules are those having carbon in it. They are attached by covalent bonds, in which electrons are being shared within the atoms. The nucleic acids are DNA and RNA which helps in the making of the proteins which are found in the various structure and ought to perform various metabolic functions. Proteins are the building block of the amino acids. Lipids found are the fat bodies, burning of lipids gives us energy.

Chicken contains organic molecules such as proteins, lipids, carbohydrates, and nucleic acids, which are essential for various biological functions and nutritional needs. The nutritional value of chicken can vary depending on farming practices, which can alter the balance of these nutrients, like omega-3 fatty acids.

The organic molecules found in chicken include a variety of biomolecules essential for life. Some of the primary categories of these organic molecules are proteins, lipids, carbohydrates, and nucleic acids. Proteins in chicken not only serve as a major source of dietary amino acids for building and repairing tissues but also play roles in various biological functions like enzyme and hormone activities.

Chickens are also a source of lipids, which include fats that are important for energy storage and hormonal functions. Carbohydrates present in chicken are generally found in small quantities and include glycogen, which is a stored form of glucose. Nucleic acids, like DNA and RNA, are present in every cell and are responsible for genetic information and protein synthesis.

Furthermore, chickens produce glycosylated proteins, adding the correct sugars to these proteins. Modern farming practices have influenced the nutritional composition of chicken, altering levels of essential nutrients like omega-3 fatty acid. It has been observed that intensively raised chickens now have higher fat content compared to their protein content, with reduced amounts of omega-3 fatty acids compared to chickens raised in the past.

The chloroplasts would be unable to generate ATP

If the concentration of hydrogen ions (H+) outside of the thylakoids were equal to the concentration of H+ inside the thylakoids, the chloroplasts would be unable to generate ATP

Explanation:

As the high-energy electron from the reactive center of the photosystem conveyed from one protein to another in the protein transport chain of the chloroplast, the energy harnessed from the electron is used to pump H+ ions into the thylakoid lumen against concentration gradient.

The proton motive force created by having a high concentration of H+ ion in the thylakoid lumen than outside is to enable the creation of potential energy that is tapped by ATP synthase to create ATPs in a process called photophosphorylation. The ATPs made in this light stage is used in the anabolic process of the dark stage to make glucose through the reduction of CO2

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Answer:

The name comes from the Greek “di” for “two” and “tome” for “cutting instrument.” As the name suggests, a dichotomous key arrives at the answer to species identification by presenting a series of questions with two possible answers.

Explanation:

You will understand better with the picture.

A dichotomous key is called so because it presents a series of two opposite choices (dichotomies) at each step to classify and identify organisms.

A dichotomous key is a systematic tool used by biologists and taxonomists to identify and classify organisms based on their observable characteristics. It is designed as a series of paired statements or questions, where each pair represents two opposite characteristics of the organisms being studied. The user must choose the statement that best matches the observed characteristics of the specimen they are trying to identify.

At each step of the key, the user makes a choice between the two options, leading them to the next set of characteristics that narrows down the possibilities. This process continues until the user reaches a specific name or classification for the organism.

The term "dichotomous" comes from the Greek word "dichotomia," which means division into two parts. The key's structure of presenting two opposing choices at each step helps to simplify the identification process and efficiently categorize organisms into specific groups based on their shared characteristics.

Dichotomous keys are widely used in various scientific fields, including biology, botany, zoology, and ecology, to identify and classify organisms in a structured and organized manner. They are valuable tools for researchers, students, and anyone involved in the study of living organisms.

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The  masses of the objects on the Gizmo for 14 N object is 1.42 kg, 80 N object is 8.16 kg and 98 N object is 10 Kg

mass, in physics, is described as the quantitative measure of inertia, a fundamental property of all matter.

The  masses of the objects on the Gizmo can be calculate as follows:

W= m x g

where w=

the weight,

m is the mass and

g is acceleration of gravitation  

W= m x g

14N = m x 9.8

m = 14/ 9.8

m = 1.42 kg

for the 80N Object

W= m x g

80N = m x 9.8

m = 80/ 9.8

mass = 8.16 kg

for the 98N Object

W= m x g

98N = m x 9.8

mass = 98/ 9.8

mass = 10 kg

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complete question:

An object’s weight is determined by its mass (m) and the acceleration due to gravity (g) affecting that object: w = mg. On Earth, g = 9.8 m/s 2 .

What are the masses (in kilograms) of the three objects on the Gizmo? (Note: 1 N = 1 kg m/s ²). 14 N object,80 N object,98 N object.

The particles of the snow have kinetic energy, but being a solid, it has less kinetic energy than that of liquid water. So they move around in a place about its mean position.

Option C

Igloos are the small homes made up of snow. It used to be homes for the people living in Arctic regions in past. Now some tribes still live in these igloos, or they are made by tourists for amusements.

Snow is basically precipitation of ice from clouds. Being the solid form of water, ice has molecules more compactly arranged in its crystal structure. Thus, the molecules cannot move here and there like in fluid. But having some kinetic energy, they have certain movements i.e vibrations around its mean position.

Answer:

The above statement is false.

Explanation:

Protozoans are not the organisms that can convert nitrogen from the air into chemical compounds that plants can use.

Bacteria and archaea are organisms that can convert nitrogen from the air into chemical compounds that plants can use. Organisms which can convert nitrogen to forms that can be used by plants such as ammonia are known as diazotrophs. Examples of such kind of organisms include Rhizobia and azospirillium.

Answer it would be the bird

Answer:

The explanation is provided in the explanation section

Explanation:

Gregor Mendel, who was referred to as the FATHER OF GENETICS discovered the principles that governs heredity in his several experiments. He observed that, for a particular trait, an organism receives two copies of a gene called ALLELE. This two copies are contributed by each parent in gametes during reproduction. An allele is a contrasting form of a gene, that is responsible for a particular trait of that gene.

For example, the height gene possesses two alleles T and t, which is responsible for a tall and short trait respectively. In an organism, two copies od this height gene will be present either same or different depending on which allele is contributed by each parent. This explains why a diploid organism possesses two alleles for a specific gene.

One of the principles of heredity discovered by Mendel is the LAW OF SEGREGATION, which states that the alleles of a gene will separate into gamete during gamete formation (meiosis). Mendel stated that only one form of a gene (allele) will be found in each gamete. For example, in an organism with Tt genotype, the gametes produced by this organism will either contain T or t allele.

The Law of Segregation states that genetic traits are split during gamete formation, producing offspring with two copies of each gene, one from each parent. This is due to the fact that most organisms are diploid, having two sets of chromosomes from both parents.

The Law of Segregation, also known as Mendel's first law, states that during the formation of reproductive cells (eggs and sperm), pairs of genetic traits are separated or segregated from each other. This means each parent contributes one copy of the gene for each trait, resulting in the offspring having two copies of the gene - one from each parent. These copies then randomly assort into gametes, maintaining genetic variation.

As to why each organism has two copies of a gene, this is attributed to the fact that organisms are diploid. A diploid organism has two sets of chromosomes, one set from the mother and one from the father, and consequently, two copies of each gene. These genes often have slight variations, leading to diversity in traits like eye color, skin color, and so on.

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Answer:

Taxonomy is the branch of science concerned with classification (like organisms)

Explanation:

Classification is a HUGE part of science..

What is science without classification because classification is like evidence..

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Answer:

Explanation:

Symptoms of infected animals include emaciation, excessive salivation, lack of muscle coordination, difficulty in swallowing, excessive thirst, and excessive urination. Subtle behavioral changes like loss of fear of humans or other abnormal behavior are often the first signs noticed.

Chronic Wasting Disease (CWD) in deer has symptoms such as weight loss, excessive salivation, drooping ears, lack of coordination, and behavioral changes.

Chronic Wasting Disease (CWD) is a disease that affects deer and elk. The symptoms of CWD include weight loss, excessive salivation, drooping ears, lack of coordination, and behavioral changes such as decreased interactions with other animals. Infected deer may also have a blank or staring expression and may stand in water for long periods of time.

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Each year, earthworms move deep into soil during fall and winter and return toward spring and summer. The likely stimulis for this behavioral response are relative humidity & temperature. Since the nematode breathes via the skin, the mucus coating may become dry & the organism would die if exposed to extreme cold & dryness.

Answer:

I think it may be because of the possibility of the pesticides traveling to Canada by food and crops so it good still harm people there.

Answer:

46

Explanation: