What type of bond joins the monomers in a protein's primary structure?
a) S - S
b) peptide
c) hydrogen
d) ionic
e) hydrophobic
Ans: b) peptide
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The bones in bat wings and those in the human arm are ____
a. homologous structures b. comparative structures c. analogous structures d. repetitive structures e. vestigial structures
The multiple sites of DNA replication along eukaryotic chromosomes are known as
A) replicons. B) centromeres. C) telomeres. D) plasmodesmata. E) targets of rapamycin.
____ is a lipid-derived hormone produced in response to the presence of insect pests
a. Cytokinin b. Abscisic acid
c. Jasmonic acid d. Gibberellin e. Auxin
In 1964, the Skipper, Gilligan, and their passengers are shipwrecked! Unknown to them, the rest of the world annihilates each other in a nuclear warm and they are the last 17 people on the earth. What evolutionary force would be primarily responsible for the genetic makeup of remaining human 2,000 years later?
A. Natural selection B. Genetic drift C. Gene flow D. Mutation E. Non-random mating