Which is true of sex hormones?
A. They stimulate ossification of the epiphyseal plates.
B. Their action on bone growth is stronger in males than in females.
C. They have no effect on bone.
D. They inhibit osteoblast activity.
Answer: A
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Which of the labeled layers in the diagram of the arterial wall is composed of a simple squamous epithelium, a basement membrane and a layer of elastic tissue?
a) A b) B c) C d) A and B e) A, B, and C
Which of the following are considered differences between endocrine and neural control systems?
A) speed B) specificity C) nature of the signal D) duration of action E) All of the answers are correct.
The pituitary hormone that stimulates cell growth and metabolism in many tissues is
A) prolactin. B) somatotropin. C) ACTH. D) MSH. E) insulin.
Glycolysis results in the breakdown of a glucose molecule and the net production of four ATP molecules.
Answer the following statement true (T) or false (F)