Suppose that the DNA of an organism is studied and found to contain 14% guanine. What percentage of thymine would you expect to find?
a. 14%
b. 28%
c. 36%
d. 72%
Answer: c. 36%
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An epitope is _____
A) part of the interferons that penetrate foreign cells B) a protein protruding from the surface of B cells C) two structurally similar antibodies dissolved in the blood plasma D) the part of an antigen that actually binds to an antigen receptor E) a mirror image of an antigen
According to Mendel's Law of Independent Assortment,
A) alleles of genes on different chromosomes assort randomly into different gametes. B) alleles of genes assort into gametes grouped according to how they were inherited originally. C) dominant alleles for one gene must assort into the same gamete as the dominant alleles for another gene. D) dominant alleles for one gene must assort into the same gamete as the recessive alleles for another gene.
The process of decomposition releases ________ to bacteria and fungi
A) oxygen B) energy C) glucose D) protein
Which best describes photo-oxidative damage?
a. low energy environments associated with pigment molecules and excited electrons b. high energy environments associated with pigment molecules and excited electrons c. high energy environments associated with pigment molecules and non-excited electrons