A 2009 study of more than 4,300 people identified a(n) ____ as the most likely reason why the least-fit among the group had higher mortality rates than the moderately fit and most-fit.
a. lack of opportunities
b. addiction to drugs
c. addiction to alcohol
d. sedentary lifestyle
e. unhealthy environment
Ans: d. sedentary lifestyle
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Of the following, the best conclusion concerning the difference between the S phases for beta and gamma is that _____
A) gamma contains more DNA than beta B) beta and gamma contain the same amount of DNA C) beta cells reproduce asexually D) beta are in the G0 phase E) beta is a plant cell and gamma is an animal cell
Endospores survive a variety of harsh conditions in part because of the presence of
A. mycolic acid. B. lipopolysaccharide. C. hopanoids. D. dipicolinic acid. E. glycoproteins.
The first DNA genome sequenced was from a
a. virus. b. bacterium. c. human. d. fungus.
A third mutant allele of gene B (allele b3) causes the frogs' eyes to become green, instead of their normal red color. Normally, gene B effects only skin color. What term describes this allele?
A) Hypermorphic B) Neomorphic C) Hypomorphic D) Amorphic E) Haploinsufficient