If an organism has three pairs of chromosomes,
how many possible combinations of
homologous chromosomes could result from
meiosis?
a. 2
b. 4
c. 8
d. 16
e. 32
C
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Which structure or compartment is part of the symplast?
A) the interior of a vessel element B) the interior of a sieve tube C) the cell wall of a mesophyll cell D) an extracellular air space E) the cell wall of a root hair
When a plant is heterosporous, what does this mean?
a. It has both sporophyte and gametophyte generations. b. It has male and female gametes. c. It has two spore types. d. It has separate male and female plants.
Adipose tissue stores
a. protein b. fat c. water
What response would correct for a drop in glomerular blood pressure?
A. stimulation of sodium secretion by the distal convoluted tubules B. dilation of the afferent renal arterioles by angiotensin II C. inhibition of osmoreceptors in the brain, leading to decreased thirst D. angiotensin II-mediated inhibition of the adrenal cortex E. inhibition of antidiuretic hormone release by the posterior pituitary gland