Proteins are composed of amino acids, of which are essential amino acids and are nonessential amino acids.

1 answer:

5 0

Proteins are composed of __20__ amino acids, of which __9__ are essential amino acids and __11__ are nonessential amino acids.

You might be interested in

In one family, all three children are homozygous for a recessive gene. What can be concluded about the parents?

mina [271]

It can be concluded that both parents are also homozygous recessive for the gene

8 0

2 years ago

What happens to cells in multicellular organisms as they continue to divide and increase in size?

ExtremeBDS [4]

The correct answer is C :)

6 0

3 years ago

Read 2 more answers

A scientist studied a population of birds for 10 years. During that time, the population was never fewer than 30 birds and never

ahrayia [7]

Answer:

A particular population limiting factor or factors must have been removed

Explanation:

The population of the birds must have been kept between 30 and 50 individuals by population limiting factors such as the presence of predators within the community or competition for resources such as food or spaces.

For the population to shoot up to 90 all of a sudden, it may be that one or more of the population limiting factors has been removed from the population. It could be that a major predator has been removed from the community or the competition for food/space is now significantly reduced due to more food/space in the community.

3 0

2 years ago

The open ocean is among the least productive ecosystems on Earth. However, it contributes greatly to the overall productivity of

Talja [164]

While the open ocean produces little in terms of biomass, it contributes a great amount to the biosphere because of its serving as a habitat for small, primary producers as well as playing a big role in geochemical cycling.

8 0

3 years ago

Chromatin modifications that tend to inhibit transcription include:

Masteriza [31]

Answer:

a. methylation at lysine 9 or 27 of histone H3.

Explanation:

Methylation causes the switching off of genes using steric hinderance to prevent access to DNA.

5 0

2 years ago

Proteins are composed of ____ amino acids, of which ____ are essential amino acids and ____ are nonessential amino acids.

Proteins are composed of amino acids, of which are essential amino acids and are nonessential amino acids.