Which statement best describes the factors that affect muscular endurance?
a. size of the muscle cells, ability to store fuel, and blood supply to the muscles
b. number of muscles, amount of exercise, and type of person
c. level of flexibility, amount of exercise, and ability to store fuel
d. blood supply to the muscle, type of exercise, and type of muscle cells

Adrug is tested in the laboratory and is found to create holes in both mitochondrial membranes. scientists suspect that the drug will be harmful to human cells because it will inhibit a) the citric acid cycle. b) oxidative phosphorylation. c) glycolysis. d) the citric acid cycle and oxidative phosphorylation.

Traffic patterns refer to: how you move through a space hallways how rooms are connected to each other how rooms are organized

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.