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love history [14]
3 years ago
11

Which best describes a protein?

Biology
1 answer:
ad-work [718]3 years ago
6 0

Answer:

C. A chain of amino acids

Explanation:

Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein. ... These proteins bind and carry atoms and small molecules within cells and throughout the body.

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What is a reaction to tissue damage caused by injury or infection?
Kaylis [27]
Clotting of the blood in the wound
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3 years ago
Why do the cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms
Kipish [7]

Answer:

In the initial stages of digestion of food, the stomach performs an essential role. Apart from doing churning and squeezing the food bolus, it also discharges an amalgamation of compounds, together called gastric juice. It comprises mucus, water, pepsin, HCl, and intrinsic factor. Of these five constituents, the principal enzyme that takes part in the digestion of protein is pepsin.

It dissociates proteins into amino acids and smaller peptides, which can easily get captivated within the small intestine. This pepsin is released in its sedentary form, or zymogen form called pepsinogen by the chief cells present within the gastric lining. It is released in its sedentary form by the stomach, by this the stomach inhibits the auto-digestion of defensive proteins in the digestive tract's lining.

8 0
3 years ago
Does anybody know what question 3 answer is? ❤️
SIZIF [17.4K]
Some apps you can use to find answers;
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4 0
3 years ago
Which of the following statements is true about the structure of the cell membrane?
miskamm [114]

Answer:

The correct answer is:

The two layers of the plasma membrane are identical.

Explanation:

The plasma membrane is called a lipid bilayer because it is composed of two layers of cells and it makes the boundary of cell.

The other three statements are false because

Plasma membrane is semipermeable i.e it allows the transport of materials inside and outside the cell.

The proteins in the plasma membrane are integral proteins

The proteins in the plasma membrane are extensively folded and protruding from the membrane are in contact with inside and outside the cell.

4 0
3 years ago
Contrapposto is defined as:
DochEvi [55]

Answer:

an asymmetrical arrangement of the human figure.

Explanation:

Contrapposto is an Italian term and it is use in visual art to describe

an asymmetrical arrangement of the human figure in which the line of the arms and shoulders contrasts with and balances the line of the hips and legs. It was an important sculptural development,it unveiling marks the first time in Western art that the human body is used to expression of relaxed physiological disposition.

3 0
3 years ago
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