The physiology instructor is discussing the effects of the sex hormones on the human body. Testosterone is responsible for what effects on the male body?
A) Baldness
B) Decreased hematocrit levels
C) Thinning of the skin
D) Delay of epiphyseal closure
A
Feedback:
Testosterone enters the cell and reacts with a cytoplasmic receptor site to influence messenger ribonucleic acid (mRNA) activity resulting in the production of proteins for cell structure or function. Testosterone is responsible for both baldness and hair growth. It causes hematocrit to increase and causes thickening of skin and cartilage, which affects the male gait. Also, testosterone stimulates the closure of the epiphyses.
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