NVCC BIO 101 EXAM 2 QUESTIONS WITH CORRECT ANSWERS

Which of the following people conducted the experiments that demonstrated that DNA is the genetic material of bacteriophages - ANSWER-Hershey and Chase A phage is a virus that infects - ANSWER-bacteria when a T2 bacteriophage infects and Escherichia coli cell which part of the phage enters the bacterial cytoplasm - ANSWER-Only the RNA the monomers of DNA and RNA are - ANSWER-fatty acids DNA does not contain the nitrogenous base - ANSWER-uracil RNA does not contain the - ANSWER-sugar dextrose How would the shape of a DNA molecule change if adenine paired with guanine and cytosine paired with thymine - ANSWER-the DNA molecule would have irregular widths along its length Which statements regarding the structure of DNA is false - ANSWER-the sequence of nucleotides along the length of a single DNA strand is restricted by the base pairing rules the shape of a DNA molecule is most like - ANSWER-a twisted rope ladder the amount of adenine is equal to the amount of thymine and the amount of guanine is equal to the amount of _________ - ANSWER-cytosine DNA replication - ANSWER-uses each strand of a DNA molecule as a template for the creation of a new strand I one strand of DNA is CGGTAC then the complementary stand would be - ANSWER-GCCATG when one DNA molecule is copied to make two new DNA molecules the resulting DNA molecules contain - ANSWER-50% of the parent DNA multiple origins of replication on the DNA molecules of eukaryotic cels serve to - ANSWER-assure the correct orientation of the two strands in the newly growing double helix