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defon
2 years ago
14

Identify 3 roles of proteins

Biology
2 answers:
andreev551 [17]2 years ago
8 0

Proteins is a main source of energy that transports nutrients through your body, provides structure, and acts as a messenger via the circulatory system.

Lina20 [59]2 years ago
5 0

Answer:

Act as enzymes, receptors, transport molecules, regulatory proteins

Explanation:

major roles of proteins:

1. Protein as enzymes:

Amino acids together make proteins, proteins together produce enzymes. Enzymes are basic element which has important role in speeding up a chemical reaction. Example: amylase

2. Receptors:

The binding of ligand and receptors are carried out different proteins that are found in the cells. on binding of proteins, conformational change will occur which in turn activates  various functions inside our body. Example: CO

3. Regulatory proteins:

Regulatory proteins plays a vital role in expression of genes. they are the proteins that are found in  the intact regions of DNA for the control of genes. These proteins are transcribed by  RNA polymerase to during transcription.

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