During the process of ________, the sperm is modified so that it can fertilize an egg.
Fill in the blank(s) with the appropriate word(s).
capacitation
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Which statement regarding control of pancreatic secretion is correct?
a. Gastrin stimulates release of a substance that neutralizes acid. b. CCK stimulates release of enzymes. c. Secretin stimulates release of bicarbonate. d. All of the above are correct. e. Only b and c are correct.
Which of the following statements is NOT true?
a. Some ectotherms can regulate their body temperature as efficiently as a mammal. b. Ectothermic regulators may also be poikilotherms. c. Endotherms gain all their heat from internal, biochemical reactions. d. Some poikilotherms are homeotherms. e. None of these.
Which of the following metabolic processes releases hydrogen ions to body fluids?
A. Production of carbonic acid B. Respiratory compensation for metabolic acidosis C. Aerobic respiration of glucose D. Monohydrogen phosphate ions converting into dihydrogen phosphate
Which of the following cell types is responsible for breaking down bone matrix?
A. Chondroblast B. Fibroblast C. Osteocyte D. Chondroclast E. Osteoclast