Mitosis takes place during M phase, which is the longest phase of the cell cycle.
a. true
b. false
Ans: b. false
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In mammals, most gas exchange between the atmosphere and the pulmonary blood occurs in the _____
A) trachea B) larynx C) bronchi D) bronchioles E) alveoli
Immigration and emigration occur within a closed population
Indicate whether the statement is true or false
The molarity of a solution is
A. often expressed as grams per unit volume. B. a scientific term for determining the solubility of a substance in water. C. a measure of solute concentration. D. reflects a measure of the amount of oil dissolved in water. E. the weight of a solid substance.
A rancher genotypes all of her 150 head of cattle. In her herd, 25 are A1A1, 75 are A1A2, and 50 are A2A2
Assuming there is random mating, no selection, no mutation, and no new cows are in-troduced into the population, what is the probability that the A1 allele will be fixed? a. 0 b. 0.0127 c. 0.4167 d. 0.6588 e. 1