4. Some cells, such as human nerve and muscle cells, contain many more mitochondria than do other cells, such as skin cells. Infer why some cells have more mitochondria
than others. (SB1a)
A. The cells divide more frequently.
B. The cells use more energy.
C. The cells store more nutrients.
D. The cells degrade more proteins.

✓ B) The cells use more energy.

Some cells such as human nerve and muscle cells.

Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious. In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.

Explanation: