Why is apoptosis potentially threatening to the healthy "neighbors" of a dying cell?
A) Cell death would usually spread from one cell to the next via paracrine signals.
B) Lysosomal enzymes exiting the dying cell would damage surrounding cells.
C) Bits of membrane from the dying cell could merge with neighboring cells and bring in foreign receptors.
D) Neighboring cells would activate immunological responses.
B
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Which chemical is not a part of DNA?
A) phosphate B) ribose C) cytosine D) nitrogen
The top risk factor for cardiovascular disease is
a. tobacco smoking. b. family history. c. hypertension. d. obesity. e. diabetes mellitus.
A table listing such items as age, observed number of organisms alive each year, and life expectancy is known as a (an)
A) life table. B) mortality table. C) survivorship table. D) rate table. E) insurance table.
Hepatic encephalopathy is a condition in which:
A) liver disease causes reduced brain function. B) the liver is acutely inflamed from a virus. C) acute hypoglycemia results from liver failure. D) alcohol progressively destroys the liver tissue.