American Military University BIOL 180 Quiz 5 Questions and Answers Already Passed

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Part 1 of 5 - Chapter 9 39.0 Points Question 1 of 33 3.0 Points Which two parts of the nucleotide covalently bond to each other to form the backbone of DNA?  A. phosphate and oxygen  B. p... hosphate and nitrogen  C. sugar and phosphate  D. sugar and nitrogen Feedback: Great job. Question 2 of 33 3.0 Points What are the three components needed for protein synthesis?  A. mRNA, DNA, ribosome  B. DNA, lysosome, exon  C. mRNA, tRNA, ribosome  D. DNA, nucleus, ribosome Feedback: Great job. Question 3 of 33 3.0 Points Which nitrogenous base is present in RNA and not DNA?  A. uracil  B. thymine  C. adenine  D. guanine  E. cytosine Feedback: Great job. Question 4 of 33 3.0 Points Which statement best describes eukaryotic chromosomes?  A. Single-stranded, linear  B. Single-stranded, circular  C. Double-stranded, circular  D. Double-stranded, linear Feedback: Great job. Question 5 of 33 3.0 Points Why does one strand of DNA replicate as a continuous strand, and the other in fragments?  A. they are parallel, and DNA polymerase can synthesize in either direction  B. they are anti-parallel, and DNA polymerase can only synthesize from 5’ to 3’  C. they are anti-parallel, and DNA polymerase can synthesize in either direction  D. they are parallel, and DNA polymerase can synthesize from 5’ to 3’ Feedback: Great job. Question 6 of 33 3.0 Points What direction do the two strands of DNA run?  A. parallel  B. perpendicular  C. anti-parallel  D. transversal Feedback: Great job. Question 7 of 33 3.0 Points The steps from DNA to mRNA are initiation, elongation and what?  A. origin  B. termination  C. commencement  D. template Feedback: Great job. Question 8 of 33 3.0 Points What is the most common method for repairing nucleotide errors in DNA?  A. nucleotide excision repair [Show More]

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