Which of the following statements about sarcomeres is false?
A. Thin myofilaments are composed of actin, tropomyosin, and troponin.
B. Sarcomeres are made of thick and thin myofilaments.
C. Thick myofilaments are composed of myosin.
D. Only thick myofilaments attach to Z-lines.
Answer: D
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The medullary inspiratory neurons receive inhibitory neural input from the pons and also from pulmonary stretch receptors.
Answer the following statement true (T) or false (F)
Which of the following statements regarding the thymus is FALSE?
A) It has follicles similar to those in the spleen. B) It does not directly fight antigens. C) It functions strictly in T lymphocyte maturation. D) Its stroma consists of epithelial tissue.
Consider the following five terms. Which term does not belong with the other four terms?
A. Sucrose B. Disaccharide C. Maltose D. Glucose E. Lactose
The glands that produce catecholamines are indicated by ________
A) Label J