Affinity maturation is one of the factors responsible for a stronger secondary immune response
Indicate whether the statement is true or false.
Answer: TRUE
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Crossing-over occurs between
a. sister chromatids of the same chromosome. b. chromatids of nonhomologous chromosomes. c. nonsister chromatids of a homologous pair. d. None of these are correct.
The removal of the predator populations from an ecosystem woud most likley result in
a. a decrease in all the prey populations b. an increase in all the producer populations c. an increase in ecosystem diversity d. a decrease in ecosystem diversity
The primary difference between the amino acids commonly found in proteins is in their:a
R or variable groups. b. number of potassium groups. c. number of phosphate groups. d. number of carbonyl groups. e. number of asymmetric carbons.
The reverse of a dehydration synthesis reaction is a(n) ________ reaction
A) anabolic B) exchange C) hydrolytic D) endothermic E) metabolic