Which of the following contains only Y chromosome?
a. A sperm
b. A body cell in female
c. A body cell in male
Answer: a. A sperm
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What does gastrin do?
A. It results in increased levels of blood glucose. B. It inhibits gallbladder contraction. C. It stimulates acid secretion, motility, and emptying of the stomach. D. It inhibits some digestive enzyme secretion. E. It is associated with a decrease in blood glucose levels.
The osmotic pressure created by the presence of proteins is known as ________, which is (higher/lower) in the plasma than in the interstitial fluid.
Fill in the blank(s) with the appropriate word(s).
Francis has a wound on his left arm that is not healing. His physician has diagnosed him with vitamin deficiency. Which vitamin should Francis increase in his diet?
A. Vitamin B1 B. Vitamin E C. Vitamin D D. Vitamin C
Energy for contraction of myocardial cells comes primarily from
A. aerobic respiration in the mitochondria. B. anaerobic respiration in the cytosol. C. glycolysis in the cytosol. D. ATP that is stored while the heart is not contracting. E. creatine phosphate.