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azamat
3 years ago
10

All of the DNA in each of your cells is the same, but which type of cell it is depends on gene expression within the cell.

Biology
1 answer:
ankoles [38]3 years ago
6 0
Hello Ajscandrol,
Thank you for posting your question on brainly.

I would say true.

Hope i helped.
Cheerio!
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A lizard is sitting on a rock on a cool, cloudy morning. As the day progresses, the sun comes out, and the temperatures of the r
Svetach [21]

Answer:

The lizard will have a higher metablolic rate and it will have a higher activity level

Explanation:

Fishermen use minnows as bate, the minnows are stored in cold water for slower metabolic rate and a lower acivity level so that the minnows can last longer. It is the opposite of the lizard question

4 0
3 years ago
Consider a species of sparrow that originally lived only in Alaska but recently expanded its range through North America, then C
Shtirlitz [24]

Answer:

North America is the one with the highest heterozygosity frequency for most loci, followed by Central America, and finally, South America with the lowest heterozygosity level.  

Explanation:

Some different forces or mechanisms might alter H-W equilibrium and lead to evolution, such as mutation, natural selection, migration, and genetic drift.

In the exposed example, we have a species of sparrow that migrates from Alaska to North America. Migration is unidirectional, which means that the movement occurs in only one direction: from Alaska to North America. We should also consider that the first immigrants colonized the area for the first time, meaning that there was not a receiving population of the same species already established. Finally, we need to consider that Alaska´s environmental conditions are very different from North America´s environmental conditions.

When a species arrives at a new place, it needs to adapt. The establishment and dispersion of the species in the new area depend on previous adaptation. So, when the firsts sparrow individuals arrived in North America, they faced new environmental conditions that acted as selective pressures that drove to the occurrence of mutations. A mutation implicates a stable and inheritable change in the genetic material. A mutation introduces changes, new alleles in the population, variability. But mutation rates are very low and have no evolutive direction, so they need another force to increase or decrease the mutant allelic frequencies. Natural selection benefits new advantageous alleles and transmits them to new generations changing their relative frequencies. <em>So, sparrows arrive in North America, mutated, and natural selection favored the beneficial mutations leading to a better adaptation to the environment.</em> This means that the heterozygosity level in this new recent population is very high.

As animals adapt to the new habitat and have better dispersal genes, they get to disperse even more. So they start new migration south, to Central America and South America. Again, they are moving to new regions with new conditions, and to establish they need to suffer new adaptations. But remember that we are talking about a recent event in time. Probably the animals migrating south are just a few.  They have not spent enough time yet in the new area, to adapt to the new environment and to include new genes into their population. What is even more, as they are a small new population moving south, they are more vulnerable to genetic drift events. Genetic drift acts on a population decreasing the variability between individuals, hence, decreasing the heterozygosity. <em>This small population suffers low mutation, has not enough time to establish, and is more vulnerable to genetic drift events.</em> The heterozygosity level is probably inferior to North America´s one.

Comparing the three areas, we could say that North America is the one with the highest heterozygosity frequency, followed by Central America, and finally, South America with the lowest level of heterozygosity.

8 0
2 years ago
On average, how many molecules of ATP are gained through the process of aerobic cellular respiration from one glucose molecule?
timurjin [86]

On average, how many molecules of ATP are gained through the process of aerobic cellular respiration from one glucose molecule?

32-36

5 0
3 years ago
Read 2 more answers
tiny areas on the surfaces of neurons and other cells that are sensitive to neurotransmitters or hormones are called
marin [14]

Tiny regions at the surfaces of neurons and different cells which are touchy to neurotransmitters or hormones are called receptors.

The required details for receptors in given paragraph

Cellular receptors are proteins both internal a mobileular or on its floor which acquire a sign. In everyday physiology, that is a chemical sign in which a protein-ligand binds a protein receptor. The ligand is a chemical messenger launched with the aid of using one mobileular to sign both itself or a exceptional mobileular. Receptors are proteins that bind to outside messengers to create a chain of downstream consequences that mediate a selected reaction withinside the mobileular. Receptors have a ligand-binding area that acknowledges the particular ligand and the effector area that undergoes conformational modifications to provide a downstream event.

Receptors are available in many types, however they may be divided into categories: intracellular receptors, which can be determined internal of the mobileular (within side the cytoplasm or nucleus), and mobileular floor receptors, which can be determined within side the plasma membrane.

To know about receptors click here

brainly.com/question/26122239

#SPJ4

4 0
1 year ago
Camembert and Roquefort cheese are flavorful mostly because of _____.
pochemuha
It is because of MOLD glad to help!
5 0
3 years ago
Read 2 more answers
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