All of the following are true of hemoglobin
EXCEPT
a. it is found in the blood of all vertebrates.
b. it increases blood's oxygen carrying
capacity.
c. it is a protein.
d. it will reversibly bind oxygen.
e. it releases oxygen in regions where oxygen
concentration is high
E
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The digestion and utilization of _______ creates the greatest need for nitrogenous waste secretion by the kidneys.
A. protein B. starch C. fat D. oil E. simple sugars
You discover a new species of lily that has 10 chromosomes (2n=10). Genetic testing reveals that it arose from the interbreeding of two other species of lilies, one of which has 12 chromosomes, and one of which has 8 chromosomes. What is the correct term for the new lily species?
A. autopolyploid B. allopolyploid C. allodiploid D. allotetrapoloid
Birds store food in a modified portion of the lower esophagus called the
A. crop. B. epiglottis. C. gizzard. D. alimentary canal. E. pharynx.
The gaseous plant hormone is
a. auxin. b. gibberellin. c. cytokinin. d. abscisic acid. e. ethylene.