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Which of the following is an example of sexual selection?  …

Which of the following is an example of sexual selection?   A) Bacteria evolve resistance to antibiotics. B) Cheetahs experienced a population bottleneck. C) Peahens choose to mate with peacocks that have the most beautiful tails. D) Female butterflies have a higher survival rate than male butterflies.

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Which of the following can act as a vector to introduce new…

Which of the following can act as a vector to introduce new genes into a cell?   A) primers B) ligase C) restriction enzymes D) plasmids

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The region of DNA where RNA synthesis begins is the ________…

The region of DNA where RNA synthesis begins is the ________.   A) start codon B) promoter C) stop codon D) terminator 

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In a DNA double helix, adenine pairs with ____ and guanine p…

In a DNA double helix, adenine pairs with ____ and guanine pairs with ____.   A) cytosine… thymine B) guanine… adenine C) thymine… cytosine D) uracil… cytosine

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Which of the following are homologous?   A) the forelimb of…

Which of the following are homologous?   A) the forelimb of a dog and the hindlimb of a cat B) the forelimb of a dog and the forelimb of a cat C) wings of a butterfly and wings of a sparrow D) the mouth of a mosquito and the beak of a hummingbird

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Which of the following is NOT a requirement of natural selec…

Which of the following is NOT a requirement of natural selection?   A) differential reproductive success B) overproduction of offspring C) genetic variation D) gene flow

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How many amino acids are common to all living systems?   A)…

How many amino acids are common to all living systems?   A) 10 B) 20 C) 30 D) 100

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The CORRECT sequence of events occurring during transcriptio…

The CORRECT sequence of events occurring during transcription is ________.   A) splicing, capping, tailing B) initiation, elongation, termination C) tailing, capping, splicing D) elongation, initiation, termination

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Natural selection can be defined as ________.   A) the evolu…

Natural selection can be defined as ________.   A) the evolution of a population of organisms B) a process in which changes in gene frequencies result from evolution C) the production of more offspring than can survive in a given environment D) a process in which organisms with certain inherited traits are more likely to survive and reproduce than individuals with other traits

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Appeals to ___ evokes an audience’s need for belonging and i…

Appeals to ___ evokes an audience’s need for belonging and inclusion.

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