The presynaptic neuron and postsynaptic neuron do not directly contact each other because
a. one would inhibit the actions of the other.
b. they never grow to sufficient length.
c. the synaptic vesicles keep them apart.
d. this would cause continuous impulse transmission.
e. acetylcholine prevents this action.
D
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The accompanying figure illustrates the process of human development from fertilization to implantation. Describe what happens from day 1 through days 6-7 of this process
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What key words does the question contain and what do they mean?
What will be an ideal response?
Campylobacter jejuni is commonly found in the intestinal tract of ________.
A. chickens B. cattle C. turkeys D. All of the choices are correct.
Identify the mode of inheritance of the trait.
Above is a pedigree for a common human trait (not a disease) controlled by a single gene. Shaded symbols are for individuals exhibiting the trait.
A) Dominant
B) Recessive
C) Either dominant or recessive
D) Cannot be determined