BIOL 1306 Final Exam - Questions and Answers Before a cell divides, it is crucial that all the DNA is first replicated (copied). True The building blocks of DNA are _________. Nucleotides The cell's ability to control i
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BIOL 1306 Final Exam - Questions and Answers Before a cell divides, it is crucial that all the DNA is first replicated (copied). True The building blocks of DNA are _________. Nucleotides The cell's ability to control its own level of gene expression is called ___________. Gene regulation All the following statements are true regarding mutations EXCEPT -Mutations can be harmful. -Mutations are spontaneous. -Mutations are random. -Mutations can be neutral. -All the above are true regarding mutations. Somatic cells divide by a process called ________, whereas gametes are produced by a process called _________. Mitosis, meiosis Enzymes affect the rate of chemical reactions by lowering the energy of activation. True What era are we currently living in? Cenozoic What era saw the rise and the fall of the dinosaurs? Mesozoic The DNA molecule is a double strand that runs antiparallel. The 5' end is bound to a phosphate group, while the 3' end is bound to a hydroxyl group. The 5' end of one strand is directly opposite the 3' end of the other strand. True In meiosis, the parent cell is diploid (2n) and the daughter cells are haploid (n). True The most abundant macromolecules in the body are _________. Proteins Are you glad the semester is over! Yes How many chromosomes does a human gamete have? 23 chromosomes for both sperm and egg cells Which of the following represents the correct order of the classification hierarchy for most inclusive to least inclusive? Domain, kingdom, phylum, class, order, family, genus, species The complete genetic makeup of an organism is called the _____. Genome Which of the following factors may alter the function of an enzyme? -Extreme pH levels -Extreme temperatures -Absence of a cofactor -All the above -Only a and b In which process are the daughter cells genetically identical to each other? Mitosis
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