What ion is released by the fertilized egg that prevents polyspermy?
A. Ca2+
B. Cl-
C. Na+
D. K+
Answer: A
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Regarding hormones and body temperature, which statement is true?
A) Body temperature does not fluctuate during the monthly hormonal fluctuations. B) During the luteal phase, when estrogen is the dominant hormone, the resting body temperature is 0.3°C lower than it is during the follicular phase. C) During the follicular phase, when estrogen is the dominant hormone, the resting body temperature is 0.5°C higher than it is during the luteal phase. D) During the follicular phase, when estrogen is the dominant hormone, the resting body temperature is 0.3°C lower than it is during the luteal phase. E) During the luteal phase, when progesterone is the dominant hormone, the resting body temperature is 0.8°C higher than it is during the follicular phase.
In humans, gametes contain only one member of each homologous pair for a total of __________ chromosomes -- the __________ number
Fill in the blank(s) with correct word
This is a diagram of a multipolar neuron. What does "C" represent?
A. Dendrite B. Glia cells C. Cell body of neuron D. Nucleus of neuron E. Axon
Which is the longest portion of the small intestine?
A. Duodenum B. Pylorus C. Ileum D. Jejunum