The interval before the onset of DNA replication is
A) the G2 stage. B) all stages. C) the G1 stage. D) the M stage. E) the S stage.
C
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The yeast Saccharomyces cerevisiae produces haploid cells of two mating types, a and ?, which are morphologically similar. Cells of opposite mating types can mate. Saccharomyces cerevisiae is a(n) ___________ species
A. isogamous B. heterogamous C. prokaryotic D. asexual
Plants growing in shade have a higher rate of leaf respiration than plants growing in sunlight
Indicate whether the statement is true or false
Spontaneous mutation rates are greatly reduced by
A) exposure to ionizing radiation. B) reverse mutations. C) base-modifying agents. D) DNA repair mechanisms. E) performing the Ames test.
Name the process by which cells produce energy from carbohydrates
A.) cellular respiration B.) aerobic respiration C.) anaerobic respiration D.) All of the Above