Some cells such as human nerve cells and muscle cells contain many more mitochondria than do other cells, such as skin cells. Why do some cells have more mitochondria than others?

A) The cells use more energy
B) The cells divide frequently
C) The cells break down more proteins
D) The cells store more nutrients

age range would be the answer

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set