When the load on a skeletal muscle is less than the tension the muscle generates, a concentric contraction results.
Answer the following statement true (T) or false (F)
True
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Before an amino acid can be broken down for energy
A. it must be phosphorylated. B. it must be converted to NAD+. C. the carboxyl group must be removed. D. the amino group must be removed. E. the side chain must be removed.
When a muscle undergoes atrophy in response to disuse
A. the size of actin and myosin filaments decreases. B. the muscle swells. C. capillaries and vessels rupture. D. motor neurons grow and invade abnormally.
A parastite that is flat and segmented, living in the small and large intestine is called
a. strongyles c. giardia b. coccidia d. tapeworm
What is the specialization of embryonic tissue into adult forms called?
A. Dedication B. Metaplasia C. Atrophy D. Differentiation E. Dysplasia