Which process exchanges alleles between homologous chromosomes?
a. mitosis
b. genetic recombination
c. asexual reproduction
d. independent assortment
e. anaphase
ANSWER: b
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Where does the initiator protein bind DNA at the start of replication?
A) At a replication fork B) At an origin of replication C) At any AT-rich region D) At a promoter region E) At a start codon
Small fish often follow large turtles in the open ocean, taking advantage of the turtle as a place to hide. This interaction would best be classified as
a) amphibianism b) parasitism c) predation d) commensalism e) mutualism
The nitrogenous base uracil pairs with
A) adenine. B) uracil. C) cytosine. D) guanine. E) thymine.
Gram staining divides bacterial species into two groups based on differences in cell wall structure.
Answer the following statement true (T) or false (F)