How do hair cells of the cochlea translate vibration into nervous impulses?
A) Moving cilia break molecules at their bases.
B) Pulling hairs trigger an action potential.
C) Vibrating hairs open voltage sensitive channels.
D) Bending cilia lead to ion flow and neurotransmitter release.
Answer: D
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A) acidic mine drainage B) deep subsurface C) open ocean D) agriculture soil
The tight packing of chromatin into the chromosomes visible during nuclear division is possible due to links between
____ proteins.
a. Cdk b. H1 histone c. H3 histone d. H4 histone e. nonhistone
Herbivory benefits _____
a. the herbivore c. both the herbivore and the plant b. the plant d. neither the herbivore nor the plant
Major histocompatibility antigens are
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