A different pattern of methylation in genes responsible for glucose and fatty acid metabolism is common in individuals _______________.
A. with cancer.
B. conceived during famine
C. exposed to chemicals in cigarette smoke
D. with young parents
E. of certain ethnic groups
Answer: B
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An mRNA molecule has a cap attached to its 5' end and a poly-A tail attached to its 3' end
a. True b. False Indicate whether the statement is true or false
The gene pool of the next generation is derived from
A. all individuals of a population. B. only the female members of a population. C. those individuals of a population that reproduce and have viable offspring. D. individuals who are heterozygous for the genes in question. E. only the male members of a population.
The majority of the heat that is transferred from the earth to the atmosphere is transferred by:
a. radiation of heat into the atmosphere. b. evaporation of water. c. absorption by the lithosphere. d. reflection of heat into space.
As cells grow, the amount of surface area increases by the ____ but volume increases by the ____.
A. square (X2), cube (X3) B. cube (X3), square (X2) C. minute, hour D. minute, day