NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which substance plays a major role in most of the chemical reactions that occur in a living cell?
A
water
B
glycogen
C
glycerol
D
maltose
Explanation: 

Detailed explanation-1: -A fundamental task of proteins is to act as enzymes-catalysts that increase the rate of virtually all the chemical reactions within cells. Although RNAs are capable of catalyzing some reactions, most biological reactions are catalyzed by proteins.

Detailed explanation-2: -Proteins are made up of amino acids. Proteins carry out most of the chemical activity in cells.

Detailed explanation-3: -A reactant is any substance that is consumed or used up during the reaction. The substance that is produced by a chemical reaction is called the product.

There is 1 question to complete.