In this figure, which of the following are composed primarily of proteins?
a. A and B
b. B and C
c. B and D
d. A and D
B
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The first gap in the cell cycle (G1) corresponds to _____
A) normal growth and cell function B) the phase in which DNA is being replicated C) the beginning of mitosis D) the phase between DNA replication and the M phase
The selection coefficient is the measure to which a phenotype is selected against
Indicate whether the statement is true or false
A surrogate mother can help couples have a child when the woman does not have a functional
A) uterine tube. B) vagina. C) cervix. D) uterus.
Scientists hypothesize that a major factor promoting the adaptive radiation of mammals was probably
A) their development of fur. B) the mass extinction of most dinosaurs. C) internal fertilization. D) the origin and diversification of flowering plants.