BIOL180 Quiz 5 Questions with Answers Latest Update Graded A+ - American Public University.

BIOL180 Quiz 5 Questions with Answers Latest Update Graded A+ - American Public University. 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. phosphate 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 BIOL180 Quiz5 Questions with Answers  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’.