As part of the diving reflex of seals, the heart rate increases. Indicate whether the statement is true or false
False - decreases
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Sometimes the most abundant color form of an animal is preyed upon more extensively than less
common forms. This illustrates the phenomenon of
a. stabilizing selection. b. directional selection. c. disruptive selection. d. frequency dependent selection. e. genetic drift.
In the human genetic disorder alkaptonuria, urine turns black because of the presence of homogentisic acid in individuals with the trait. This is due to
A) the presence of large amounts of homogentisic acid in the diet. B) failure of individuals with alkaptonuria to manufacture enzymes involved in the synthesis of homogentisic acid. C) failure of wild-type individuals to manufacture enzymes involved in the synthesis of homogentisic acid. D) failure of the kidneys to remove homogentisic acid from the urine. E) failure of individuals with alkaptonuria to manufacture enzymes involved in the breakdown of homogentisic acid.
Most of the carbon dioxide released by cells is transported in the venous supply in what form?
A) free carbon dioxide gas B) oxyhemoglobin C) soluble bicarbonate ion D) bound to hemoglobin E) carbon monoxide
Side effects that occur in patient tissues while they are on antimicrobic drugs include all the following exceptÂ
A. hepatotoxicity. B. nephrotoxicity. C. deafness. D. diarrhea. E. development of resistance to the drug.