When the digestion and absorption of organic carbohydrates results in more energy-rich molecules than are immediately required by an animal, the excess is _____
A) eliminated in the feces
B) stored as starch in the liver
C) stored as glycogen in the liver and muscles
D) oxidized and converted to ATP
C
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What unusual feature do you find in connective tissues?
A) extracellular material called the ground substance B) conductive cells C) cells with the ability to contract D) glandular secretions
Which of the following pairs perform essentially the same function in cells?
A. aquaporins and contractile vacuoles B. plasma membranes and cell walls C. turgor pressure and proton pumps D. electrochemical gradient and osmosis
A nonavian reptile is and has a body temperature _.
A. ectothermic; that changes with fluctuation in environmental temperature B. endothermic; that changes with fluctuation in environmental temperature C. ectothermic; maintained by its own metabolism D. endothermic; maintained by its own metabolism E. None of the answer choices is correct.
Female cardinals select male mates in part based on their bright red color. What effect would this have on a cardinal population that was in Hardy-Weinberg equilibrium?
A. The frequency of red alleles would be less than those predicted by Hardy-Weinberg equilibrium. B. The red allele frequencies would remain unchanged because of equilibrium. C. The frequency of red alleles would be greater than those predicted by Hardy-Weinberg equilibrium. D. The red allele frequencies would decrease because of equilibrium. E. The frequency of red alleles would be equal to those predicted by Hardy-Weinberg equilibrium.