What is the purpose of the acrosome cap?
A. To contain enzymes that are used to penetrate an egg
B. To propel the sperm
C. To house the sperm's chromosomes
D. To contain mitochondria that supply ATP to energize the tail
Answer: A
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Which vessel in the figure is labeled "D" ?
a) accessory hemiazygos vein b) hemiazygos vein c) right renal vein d) right suprarenal vein e) pericardial vein
When sodium ion channels open, what happens to the cell's membrane potential?
What will be an ideal response?
Immunotherapy using antibodies blocking the action of VEGF helps treat cancer by
A. providing a target for radiation therapy. B. stimulating natural killer cells to attack cancer cells. C. preventing cancer cells from stimulating growth of new capillaries. D. preventing skin cells from undergoing rapid mitosis.
The gaps found between Schwann cells forming the myelin are referred to as the ___ of ___.
Fill in the blank(s) with the appropriate word(s).