A pouchlike weak spot in an artery is known as a(n)
a. aneurysm.
b. varicosity.
c. plaque.
d. herniation.
e. hemangioma.
A
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Mitotic divisions reduce the number of chromosomes found in daughter cells
a. True b. False Indicate whether the statement is true or false
Margarine is made by hydrogenating vegetable oils so that they take on the consistency of butter. Propose a chemical basis for this change from a liquid to a solid.
A. Trans-fatty acids are changed from unsaturated to saturated, allowing them to solidify. B. Hydrogenation of fats changes them from saturated to unsaturated, which are more solid. C. Hydrogenation of fats changes them from unsaturated to saturated, which are more solid. D. Trans fatty acids are changed from saturated to unsaturated, allowing them to solidify.
Okinawans eat less and live ______.
Fill in the blank(s) with the appropriate word(s).
About how many gibberellins have been identified in plants?
A) one B) five C) over one hundred D) thousands