Where in a plant do you expect to find the highest concentration of chloroplasts?
A. leaves
B. bark
C. roots
D. stems
E. flowers
A. leaves
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Why is the production of transgenic plants somewhat easier than the production of transgenic animals?
A. Plant cells are pluripotent. B. Plant cells are more stable than animal cells. C. Plant cells are totipotent. D. Plant cells are more highly evolved. E. Plant cells readily take up vectors, whereas animal cells do not.
Blood pressure drives filtration in the ____
a. urethra b. renal artery c. glomerulus d. plasma e. sodium-potassium pumps
A behavioral physiologist is studying the homeostatic control of blood pH. In a trial, a lizard runs on a treadmill for a set amount of time and the blood pH is measured. The blood pH drops as carbon dioxide is released into the bloodstream
Which component of the homeostatic feedback system is responsible for deciding if the blood pH is far enough from normal that a response is necessary? A) effector B) sensor C) integrator D) assimilator
Within the phylum apicomplexan, which gametes are motile?
A) Female B) Male C) None of the gametes are motile