The myelin sheath:a
is a protein covering around dendrites.
b. is responsible for integrating information.
c. is a fatty covering only around axons.
d. stores neurotransmitters in the axon.
e. is a fatty covering only around cell bodies.
c
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Which of these differences in phenotypes could create a prezygotic barrier?
a. dogs too small to carry their offspring to term b. birds with long beaks instead of short beaks c. a whale that sings at decibels of 52Hertz (Hz) instead of 40Hz d. a goat with red hair instead of black hair
The activation of enzymes by the removal of a
portion of polypeptide chain is an example of a. transcriptional control. b. transcript processing control. c. transport control. d. translational control. e. post-translational control.
Every polypeptide chain synthesized from RNA starts with which amino acid?
a. Arginine b. Phenylalanine c. Methionine d. Leucine
For the Hardy-Weinberg equation, p2 + 2pq + q2, describe what genotype is represented by each component of the equation.
What will be an ideal response?