Which of the following statements about the distal convoluted tubule is false?
A. The filtrate entering the tubule is
hypertonic relative to the interstitial space.
B. Urea is the principal solute found within the
filtrate in the distal convoluted tubule.
C. Other wastes from the bloodstream are
actively secreted into the distal convoluted
tubule.
D. The distal convoluted tubule delivers
filtrate to the collecting duct.
E. None of these statements about the distal
convoluted tubule is false.
A
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A) hormones B) evolution C) sexuality D) pheromones E) the nervous system
If a pea plant strain is true-breeding for a particular trait, then:
A. crosses between two true-breeding plants with the same trait will have offspring identical to the parents. B. it will be homozygous for all genes. C. it must be a recessive trait. D. it is not useful for studying inheritance. E. it only self-fertilizes.
Where in the mammalian kidney would you expect to find cells with the highest concentration of osmolytes such as
sorbitol?
a. renal pelvis b. renal cortex c. Bowman's capsule d. collecting ducts e. renal medulla
The brain interprets the loudness of a sound according to _____
1.the number of signals emitted by the hair cells in the organ of Corti 2.the frequency of beats of the anvil on the round window 3.how far out the eardrum bows in response to the beating of the anvil 4.how far the cochlea uncoils