Answer:
11) A. The optimum pH of an enzyme is 6.6
12) C. A control group
The difference between matter and energy is that energy is produced from matter yet has no mass and is the capacity to do work while matter is the physical "stuff" in the universe. Matter needs energy to move.
Out of the following choices given;
A) II only
B) I and III only
C) I, II, and III
D) I and II only
The answer is B. Cells spend most of their life cycle in the interphase stage. It is during this stage that the cells prepare itself for mitosis. Interphase of a cell cycle is divided into the G1, S, and G2 stages. The DNA duplicates in the S phase while growth of the cell occurs in the G1 and G2 stages.
B is the incorrect statement, and therefore the correct answer.
