What is the role of ATP in muscle function?
a. ATP provides energy that enables myosin to form crossbridges with actin.
b. ATP enables myosin to detach from actin.
c. ATP provides energy to transport calcium back into storage.
d. all of the above

Answer:

The most common sources of water for irrigation include rivers, reservoirs and lakes, and groundwater

Explanation:

Answer:

Earthquakes, landslides, volcanic eruptions and natural bush fires all affect the many different ecosystems on our planet. Initially, these disasters negatively affect the biodiversity of wetlands, forests and coastal systems by causing the spread of invasive species, mass species mortality and loss of habitat.

Answer:

C: gizzards in birds and teeth in mammals

Explanation:

Meselson-Stahl's experiment contributed to our understanding of DNA replication because the use of radioactive nucleotides showed that one DNA strand is synthesized in each round of replication while the other chain remains unchanged, which is known as semiconservative replication.

In genetics, semiconservative replication refers to the process by which DNA is duplicated during the process of DNA replication. In semiconservative replication, one DNA chain is conserved in intact conditions while the other one is synthesized in the final double helix DNA molecule.

Meselson-Stahl's experiment contributed to the discovery of the semiconservative nature of DNA replication by observing that only one radioactive chain was added to each round of replication.

Therefore, with this data, we can see that the semiconservative replication of the double helix DNA molecule is a fundamental process associated with DNA replication which was discovered by Meselson-Stahl's experiments.

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Answer:

From order to closest to farthest:

Troposphere, stratosphere, mesosphere and thermosphere. Exosphere as well, if you wish.

Explanation:

Not much to explain here. They are separated by temperatures.

Answer:

that the phage DNA degraded over time.

Explanation:

Answer:

More individuals are produced each generation that can survive. Phenotypic variation exists among individuals and the variation is heritable. Those individuals with heritable traits better suited to the environment will survive.

Answer:

glucose is the answer

Explanation:

glucose is the main product produced by photosynthesis

The temperature of water does not change.

This is because when water is heated to its boiling point of 100 degrees Celsius, it usually takes more energy to turn a liquid into a gas, so the extra heat helps with that conversion. The temperature of water, even if it reaches its boiling point, does not change until all the water evaporates into the atmosphere. Depending on the type of container, the temperature will rise when the water runs out.

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Answer:

receive food from the mother

Answer:

A good soil for nurseries is the correct mixture of sand, clay and organic matter. Top soil from a forest is usually a good soil. To see if a soil is good try and roll it into a pencil sized roll. (The soil should be damp but not wet.)

Explanation:

Evolutive forces change allelic and genotypic frequencies in a population. 3) a- Redish egret population in the US were hunted to near extinction in the early 1900's and the majority of survivors were the dark-feathered morph. 4) a- Bottleneck effect, b- Gene flow, c- Founder effect, d- Natural selection.

For a population or a species to evolve, it must be submitted to an evolutive force.

Evolutive forces are those that change a population's allelic and genotypic frequencies through generations. Otherwise, the population is in equilibrium.

These forces are,

Notice that mutations are not evolutive forces by themselves. They need to be selected by natural selection to cause a change at a population level. However, they are considered to influence evolution.

In the exposed example,

3) a- Redish egret population in the US were hunted to near extinction in the early 1900's and the majority of survivors were the dark-feathered morph.

4) a- Bottleneck effect

   b- Gene flow

   c- Founder effect

   d- Natural selection

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The activity of DNA polymerase epsilon takes place in nucleus.

Hence, the correct option is B. nucleus.

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Answer:

1) A- a nocturnal schedule, since animals in deserts stay cool during the night.

2) D- individual species evolved different beaks to contribute to genetic variation.

3) D- they will adapt, migrate, or become extinct. An adaptation example is getting shorter fur.

4) D- hunted to extinction. Humans probably valued their unique teeth.

5) C- adapt. If it didn't die, something in its genetics probably caused this.

Brainliest would be really cool, hope this helps! Sorry if any are wrong.

Tata box  is not a part of any translation initiation complex. Option (d).

A genetic sequence's read-and-decode location is indicated by a DNA sequence called a TATA box. It is a particular kind of promoter sequence that indicates to other molecules the start of transcription. A DNA sequence is converted into an RNA molecule through the process of transcription. DNA is not directly involved in the process of translation. Eukaryotic initiation factors (eIFs) assemble initiator tRNA, 40S, and 60S ribosomal subunits into an 80S ribosome at the start codon of mRNA in a complex process known as translation initiation.

Initiation, elongation, and termination are the three phases of an mRNA molecule's translation by the ribosome. mRNA, ribosomes, transfer RNA (tRNA), and numerous enzymatic factors are essential for translation. mRNA: mRNA contains the sequence data needed to make the protein. Each codon in mRNA, which consists of three nucleotides, codes for a certain amino acid.

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Correct Question :

Which of the following is not part of the translation initiation complex?

a. mRNA

b. Small ribosomal subunit

c. Initiator tRNA

d. TATA box

e. Large ribosomal subunit

Answer:

pictures of different ecosystems

Explanation:

i got it right

ANSWER: The bonding site of competitive inhibitors is at the active site on the enzyme, while the bonding site of allosteric inhibitors is NOT at the active site of the enzyme.

EXPLANATION: Competitive inhibitors compete with other substrates by binding to the specific enzyme's active site so that the other substrate cannot bind to it (the competitive inhibitor and the substrate it competes with will have similar shapes that are complementary to the active site of the enzyme).

On the other hand, allosteric inhibitors bind to an area on the enzyme that is NOT the active site. This causes the enzyme to change its shape and therefore change the shape of its active site.

Answer:

C, Bottleneck

Explanation:

A bottleneck effect is defined as when "A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events."

The forest fire is the enviornmental event in this situation, and the population was greatly reduced.

Embryonated chicken eggs represents an in vivo method for cultivating viruses. (option c)

To cultivate viruses in a living system, an in vivo method is used. Among the options provided, embryonated chicken eggs are the most commonly used method for culturing viruses in a living organism.

HeLa cells: HeLa cells (a) are human cancer cells commonly used in laboratory research, but they are not a living organism suitable for virus cultivation.

Pure bacterial cell cultures: Bacterial cell cultures (b) are often used to study bacteriophages, which are viruses that infect bacteria. However, this method involves culturing viruses in bacterial hosts and does not involve a living organism.

Embryonated chicken eggs: Embryonated chicken eggs (c) are a widely used method for virus cultivation. In this method, viruses are injected into the developing embryo, which provides an environment for viral replication. The embryos provide a controlled and nutrient-rich environment for the viruses to grow and propagate.

Lung cell culture: Lung cell culture (d) involves growing lung cells in a laboratory setting. While this method can be used to study certain viruses, it is an in vitro (outside a living organism) method rather than an in vivo method.

In conclusion, the in vivo method for cultivating viruses among the options provided is embryonated chicken eggs. This method provides a living system in which viruses can replicate and propagate. (option c)

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Answer:

C. carbonation

Explanation:

Carbonation is another type of chemical weathering. Carbonation is the mixing of water with carbon dioxide to make carbonic acid. So yeah, chemical. ;))

Through the second maturation division, the secondary spermatocytes mature into spermatids, which have the typical structure of an interphase nucleus with aggregated chromatin.

Each primary spermatocyte divides into two secondary spermatocytes, which then divide into two spermatids, or young spermatozoa, respectively. These transform into fully developed spermatozoa, or sperm cells.

Each secondary spermatocyte divides into two equal haploid spermatids by Meiosis II after the primary spermatocyte meiotically divides into two secondary spermatocytes (Meiosis I). Spermiogenesis is the process by which the spermatids develop into spermatozoa (sperm).

A spermatogonium gave rise to a diploid cell known as a primary spermatocyte. It goes through meiosis to split into two haploid cells. The term "secondary spermatocytes" refers to these haploid cells. The primary spermatocyte has 46 chromosomes, compared to 23 in each secondary spermatocyte.

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Answer:

Explanation:

Alright, buckle up, since this isn't your average "the answer is C" explanation. Sorry beforehand for this upcoming essay. To make this easier, I'll give out the answers to start and then leave a "Why?" portion in case you want an in-depth explanation. I recommend getting the answers first since I can tell you're in a hurry, but if you get the chance look over a thing or two I said. Now:

To start, the 4 genotypes for the Dark Gray Rabbit are DD, Dd\(^{ch}\), Dd\(^h\), and Dd.

Why? Well, we know Dark Gray is dominant to all other alleles, so a Dark Gray allele with any other allele will produce a Dark Gray Rabbit.

The same concept above applies to the other rabbits:

The Chinchilla rabbit is d\(^{ch}\)d\(^{ch}\), d\(^{ch}\)d\(^h\), and d\(^{ch}\)d.

The Himalayan rabbit is d\(^h\)d\(^h\) and d\(^h\)d.

The Albino rabbit is dd.

Part 2:

Chinchilla Rabbit

Why? Because you have 2 Chinchilla alleles, and since they don't dominate and aren't dominated by any other allele, the rabbit will be a Chinchilla Rabbit.

Dark Gray Rabbit

Why? Same rule of dominance, and plus, it was one of the phenotypes listed in the first question.

For the table, look at the help image.

And finally, for the plan, the first set of rabbits with have a 50% chance of producing a dd\(^h\) rabbit, which is a Himalayan rabbit. Then, breeding two of these will ALWAYS give you a Himalayan rabbit.

Why? Because the only alleles are d and d\(^h\), and since d\(^h\) is always dominant of d, there will never be a case where that rabbit is albino (thus always Himalayan)

Hope you got it all down, and glad I could be of any service.

1. Newton's first law of motion projects that a object at rest will remain at rest, and a object in motion will remain in motion with a constant velocity, until or unless a force is acted upon by the external environment.

2. Newton's second law of motion projects that the acceleration of an object is considered to be directly proportional to the net force acting on the object and generally inversely proportional to its mass.

3. Newton's third law of motion projects that for every action, there is an equal and opposite reaction.

The first law is also renowned as the law of inertia. The second law thoroughly distinguishes the relationship between applied force and the rate of change of momentum. And finally the third law is also know as  the law of action and reaction because it depends on the type of stimulus that is experienced from the environment when the individual is applying force.
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Answer:

Google says "harvesting energy, making new proteins, getting rid of waste and so on"

Explanation:

Answer:

Latent Disease

Explanation:

Causative agent remains inactive for a. time, but then becomes active and produces disease symptoms.

Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.

In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.

Competition leads to differential survival and reproductive success among individuals.

Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.

These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.

Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.

Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.

Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.

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