Atherosclerosis is ____
a. a clot in an artery
b. buildup of plaque in an artery
c. buildup of plaque in a vein
d. high blood pressure
e. low blood pressure
ANSWER: b
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Photosynthetic organisms using the oxygenreleasing
pathway appeared on earth about ____ billion years ago.
a. 1.3 b. 1.8 c. 2.3 d. 2.7 e. 3.8
A blood test cannot determine if a person is a carrier of Tay-Sachs disease because the mutant allele is undetectable
a. True b. False
The principle of nuclear equivalence states that:a
developing cells become specialized to carry out specific functions. b. developing cells follow particular differentiation pathways. c. there is no loss of genetic information through determination or differentiation. d. differential gene expression is responsible for variation among cells. e. nuclear changes can take place during the entire life of an individual.
Fleshy fruits with hard seed coats, such as cherries, are more likely to be dispersed by ____ than by other means.
A. wind B. adhering to animal fur C. passing through animal guts D. falling to the ground, rotting, and releasing their seeds E. water currents