Bioscience Final Exam || All Correct.

Which kind of chemical reaction involves the attachment or removal of a phosphate group? a. Oxidation-reduction b. hydrolysis c. phosphorylation Which of the following statements about biological evolution is false? a. individual organisms evolve b. biological populations change over time c. evolutionary change has been observed in laboratory experiments d. evolutionary change has been observed in natural populations. e. All of the above is true correct answers a Which of the following evolutionary processed creates new genetic variation? a. Natural selection b. Mutation C. Founder Effect. D. Population bottleneck E. Both b and c. correct answers b Which of the following statements about mutation is true? a. most mutations are either deleterious or neutral b. mutations create and maintain genetic variability in populations c. neutral theory suggests that the majority of variants in a population are selectively neutral d. both a and b e. both b and c correct answers e Which of the following is an example of adaptation? a. The process by which a plant population develops thorns for protection b. the process by which a plant population became drought resistant c. the process by which a cat population developed a white fur coat due to living in a snowy environment d. only a and b e. all of the above correct answers e What was Darwin's explanation for the evolution of bright colors and other apparently useless (and potentionally deleterious) but conspicuous characters in males of many species? a. Stablilizing selection b. Genetic drift. c. Sexual selection d. Disruptive selection e. Gene flow. correct answers c Synonymous subsititutions are possible because a. of the operation of the Hardy-Weinberg principle