BSC 120 CH.11 Exam Questions Correctly Answered.
During the replication of a DNA molecule - CORRECT ANSWER new base pairs must be formed according to chargaff's rule.
The correct structure of DNA monomers can be presented as - CORRECT ANSWER phosphate-sugar-base
Which of the following is...
During the replication of a DNA molecule - CORRECT ANSWER new base pairs must be formed according
to chargaff's rule.
The correct structure of DNA monomers can be presented as - CORRECT ANSWER phosphate-sugar-base
Which of the following is a characteristic of double-stranded DNA? - CORRECT ANSWER 2 nanometers in
width, 10 base pairs per turn, and 0.34 nanometers per base pair
Which of the following dna molecules is the most stable - CORRECT ANSWER GCGTGCAC
CGCACGTG
Why do complementary nucleotides across the double-stranded DNA bond together using hydrogen
bonds rather than covalent bonds? - CORRECT ANSWER NOT COVALENT BONDS WOULD NOT ALLOW
What statement about the major and minor grooves is TRUE? - CORRECT ANSWER NOT 5' TO 3'
Which of the following statements about the DNA double helix is TRUE? - CORRECT ANSWER NOT
COMPLEMENTARY BASE PAIRING ALLOWS THE PRODUCTION
Match the experimental procedures and findings with the correct scientific investigators - CORRECT
ANSWER GRIFFITHS
R' baceteria into S
AVERY, MACLEOD, AND MCCARTY
DNase, RNase, and protease
Strepococcous
, DNA replication is said to be - CORRECT ANSWER not inconclusive; conservative
Which of the following DNA sequences is complementary to 5' TAGAC 3'? - CORRECT ANSWER 3' ATCTG
5'
According to Chargaff's rule, which of the following statements about double-stranded DNA is TRUE? -
CORRECT ANSWER not A = T and C = G.
Select the statement that best explains why the replication machinery is found at the replication fork. -
CORRECT ANSWER The replication machinery must be able to open and stabilize the template DNA, and
it must have access to both template strands for replication.
DNA polymerase occasionally makes errors and adds an incorrect base. A new strand of DNA is being
produced, and the template strand contains a G. Based on your knowledge of the structure of DNA, why
is it more likely that DNA polymerase would accidently add a T to the new strand instead of a G or an A.?
- CORRECT ANSWER NOT
Because G normally pairs with T.
Eukaryotic cells store their DNA in the form of linear chromosomes. This creates problems for replication
of DNA at the ends of the chromosomes because
Multiple Choice - CORRECT ANSWER NOT
base pairs at the ends of chromosomes do not consist of A, C, G, or T.
The pairing of nitrogenous bases in DNA is specific because - CORRECT ANSWER functional groups on
each of the bases form hydrogen bonds with functional groups on only one other base.
The Meselson-Stahl experiment demonstrated that DNA replication produces two DNA molecules each
composed of - CORRECT ANSWER ONE OLD AND ONE NEW STRAND
In the Meselson and Stahl experiment, the starting Escherichia coli culture was grown in heavy (15N)
medium; the DNA was 15N15N. After TWO generations of growth in light (14N) medium, the DNA of the
E. coli cells contained - CORRECT ANSWER NOT
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