You can go to a website about that it will give you the answers
Answer:
A
Explanation:
Quaternary structure of proteins is composed of two or more polypeptide chains. Insulin has two; one alpha and one beta chain. The two chains are joined together by disulfide bonds at two points (at cysteines). Other examples of quaternary proteins structures are DNA polymerase and hemoglobin.
Answer:
The melting point of this substance at 1 ATM of pressure is 110°.
Answer:
The right answer to this is (b)
