After being filtered blood leaves the glomerular capillaries through the ____
a. renal artery
b. renal vein
c. afferent arteriole
d. efferent arteriole
e. peritubular capillaries
ANSWER: d
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Most of the carbon dioxide produced by the body is
transported to the lungs a. in gaseous form. b. in blood plasma. c. as carbaminohemoglobin. d. as bicarbonate ions. e. as carbonic acid.
Suppose a gene from a cow is introduced into a frog. This results in a ________ transgene
Fill in the blank(s) with correct word
How might the timing of when fruit falls from a tree be important in sympatric speciation?
A. Apple fruit drops earlier than hawthorn fruit to reduce the interaction of the fly species in time. B. Apple fruit falling earlier is a vicariant event. C. Fruit ripening is important for increased reproductive output. D. Apple fruits fall at the same time as hawthorn fruits, thereby being sympatric
Communities with a high level of bacterial diversity are found in many habitats including soil and aquatic environments. Recent studies indicate this diversity is crucial to the functioning of these communities. The same studies have also found that phage abundance plays a critical role in the maintenance of the bacterial diversity within these communities. Are phages a density-dependent or a density-independent regulating factor?
A. density-independent B. density-dependent