Author: Anonymous

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.

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

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

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

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

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

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

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

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

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