Answer:
Explanation:
DNA is deoxyribose nucleic acid. It is a double helical structure. It remains in the coiled form so as to make the information stored in the small region within the cell. The sequence of bases allows the information to be stored in the coded form so as to promote the synthesis of proteins. Complementary base pairing allows the DNA molecule to replicate itself.
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
B. The electron transport chain is the final step on cellular respiration in which 32 ATP is made and water
To protect and provide support for the cell