When tracing the path of blood, the blood vessel that follows the renal artery is the
A. peritubular capillary
B. efferent arteriole
C. afferent arteriole
D. renal vein
E. glomerulus
Ans: C. afferent arteriole
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A new experimental pesticide is being tested by a large agricultural chemical company. An unfortunate side effect in plants treated with this new product is the partial inhibition of ferredoxin-NADP+ reductase
Given this observation, which of the following would you expect to observe in the photosynthetic cells of these plants? A. decreased rate of trios phosphate production B. decreased levels of NADP+ in the chloroplast C. decreased levels of ATP in the chloroplast D. decreased rate of cyclic electron transport
Coconut milk has been used to promote the differentiation of organs in masses of plant tissue growing in culture. Coconut milk is effective for this reason because it contains
A. cytokinins. B. abscisic acid. C. gibberellins. D. auxins. E. ethylene.
Chlamydomonas, although a green algae, is sensitive to an antibiotic, erythromycin
If mt– mating-type alga that is sensitive is mated with an mt+ cell that is resistant, and if the mt+ strain donates chloroplasts, what results do you expect and why? A) All progeny are sensitive because sensitivity is the dominant trait. B) Approximately half the progeny are sensitive because this is the recessive trait. C) All the progeny are sensitive because this is the recessive trait. D) All progeny are resistant because cpDNA is responsible. E) Approximately half the progeny are sensitive because cpDNA is responsible.
Which of the following is considered dangerously underweight?
A. A BMI of 15.5 or lower B. A BMI of 18.5 or lower C. A BMI of 25 or lower D. A BMI of 29.9 or lower E. A BMI of 40 or lower