The organization of the vasa recta around the loop of Henle:
A. allows urea to be concentrated in the distal
convoluted tubule.
B. allows water to be maximally reabsorbed
from the distal convoluted tubule.
C. allows the concentration gradient
established by the loop of Henle to be
maintained.
D. allows urea to be concentrated in the distal
convoluted tubule and allows the
concentration gradient established by the
loop of Henle to be maintained.
E. allows water to be maximally reabsorbed
from the distal convoluted tubule and allows
the concentration gradient established by the
loop of Henle to be maintained.
C
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In meiosis, paired homologous chromosomes align down the center of the cell during
A. metaphase I. B. metaphase II. C. prophase I. D. anaphase II. E. prophase II.
A saprobe differs from a parasite in that
A. a saprobe derive nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animals. B. a saprobe is a fungus, but a parasite can be any type of microbe. C. a saprobe does not harm a host that it lives on, whereas a parasite does harm a host. D. a saprobe cannot infect a human, but a parasite is always infectious.
Gaps in the myelin sheath are referred to as:
a. synapses. b. neuroglia. c. microglia. d. Schwann cells. e. Nodes of Ranvier
During a biochemical reaction, (C3, H4, O3) is converted into carbon dioxide (CO2)and water(H20)In what cellular organelle does this biochemical reaction occur?
A nucleus B cytoplasm C mitochondria D endoplasmic reticulum