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kvv77 [185]
2 years ago
11

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Biology
1 answer:
lana66690 [7]2 years ago
4 0

Answer:

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Proteins may be classified according to their three-dimensional shapes. Determine whether the following examples and description
m_a_m_a [10]

Answer:

-often function as enzymes or transport proteins  ⇒ globular proteins

-peptide chains arranged in long strands, or fibers  ⇒ fibrous proteins

-peptide chains highly folded into spherical shapes  ⇒ globular proteins

-keratins  ⇒ fibrous proteins

-hemoglobin  ⇒ globular proteins

-water-soluble  ⇒ globular proteins

-collagens  ⇒ fibrous proteins

-insoluble in water  ⇒ fibrous proteins

-generally function in structure and support ⇒ fibrous proteins

Explanation:

<u>Fibrous proteins </u>are composed by large polypeptide chains which interact each other and form large structures. They have water insoluble and have structural and protection functions- they are components of cells and tissues. Examples are: collagen, fibronectin, keratin, elastin, actin.

<u>Globular proteins</u> have a spherical compact structure in which hydrophobic aminoacids are buried inside the structure and hydrophilic aminoacids (which can interact with water molecules) are exposed to the exterior medium. For this, they are water soluble. They have often transport and catalytic functions. For example: hemoglobin, mioglobin, albumin, enzymes in general.

7 0
3 years ago
Name two evolutionarily significant benefits of meiosis that are not present in mitosis
dsp73
Meiosis allows more mutations and change than Mitosis. Meiosis can transfer if 1 person is immune to a very dangerous disease than they can provide more people with Immunity by providing offspring
4 0
3 years ago
The skeleton muscle systems guided notes answer key
rusak2 [61]
Hey what is your question? i can help! :)
4 0
2 years ago
What elements makes up a glucose molecule?
anygoal [31]

Answer:

Carbon, Hydrogen, Oxygen

Explanation:

8 0
2 years ago
Beaks in African black-bellied seedcracker finches are small or large, but not intermediate in size. This is an example of
alexdok [17]

Answer:

disruptive selection

Explanation:

Disruptive selection may be defined as a type of a natural selection which selects against some average individual in a given population. These makeup of such a type of the population shows the phenotypes of both the extremes of characteristics but they have very few individuals in the middle.

Disruptive selection is also known as diversifying selection.

In the given context, the beaks of an African seedcracker finches may be small or may be large but they are not of the intermediate size. Such a selection is known as disruptive selection in species.

4 0
2 years ago
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