Roots obtain cations through cation exchange. Which of the following do roots use to exchange for other cations from the soil?
a. Cl?
b. K+
c. H+
d. H2O
Ans: c. H+
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Embryonic stem cells have the ability to become any cell type of the body. This capacity is termed:
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A traditional tattoo injects ink into the lower layers of the skin. Which of the following would be true of this tattoo?
A. It would be temporary because dermal cells are constantly replaced. B. It would be temporary because epidermal cells are constantly replaced. C. It would be permanent because dermal cells are not replaced. D. It would be permanent because epidermal cells are not replaced. E. It would be permanent because epidermal cells continually replace dermal cells.
Mature human sperm cells
A. are spermatozoa. B. are secondary spermatocytes. C. are oocytes. D. are primary oocytes. E. undergo meiosis.
In Septicemia, why do we see DIC?
A. Fever was triggered B. The complement system was activated and needs to get to the infection C. Your liver needs more blood to filter D. Your body is slowing the spread of toxin E. Your kidneys are slowing their filtering system F. Your heart is not able to pump as much blood