In the figure above, which number identifies the structure that transmits auditory signals to the brain?
a. 2
b. 6
c. 7
d. 8
e. 9
C
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With regard to blood circulation, what is the difference between an artery and a vein?
What will be an ideal response?
Primary growth in plants originates in
A. apical meristems. B. lateral meristems. C. vascular cambium. D. cork cambium. E. tracheids.
Which scientist's work first suggested that DNA had the shape of a helix?
A. Martha Chase B. James Watson C. Rosalind Franklin D. Francis Crick
In cells that are constantly involved in secretion, an equivalent amount of membrane must be returned
to the interior of the cell for each vesicle that fuses with the plasma membrane; if this does not occur, then what would happen? a. The ratio of cell surface would decrease, compared to cell volume. b. The cell surface would shrivel. c. The surface area would remain constant. d. The number of membrane receptor proteins would decrease. e. The cell surface will keep expand