1. The diagram below depicts a DNA replication fork in a biological cell. The primer is shown by an arrow 5'-3'. A ATTATG GGCCTT GAGTAAGGCTAATCACATG Prime TA CAT BTAA From the DNA diagram above, which ends (indicated as A, B, C & D) of the DNA template strand are the 5' and a. which are 3' ends? b. Which way is the direction of movement of the replication fork? Right or left of the figure. Which of the parental strands are the templates for leading (continuous) and lagging (discontinuous) strand С. synthesis?. Top or bottom strand. I d. Give the sequence of the five base long primer that is shown as an arrow in the diagram above 5' 3' e. Give the sequence of the next four bases that would be added to the growing end of the primer 5' 3'

1. The diagram below depicts a DNA replication fork in a biological cell. The primer is shown by an arrow 5'-3'. A ATTATG GGCCTT GAGTAAGGCTAATCACATG Prime TA CAT BTAA From the DNA diagram above, which ends (indicated as A, B, C & D) of the DNA template strand are the 5' and a. which are 3' ends? b. Which way is the direction of movement of the replication fork? Right or left of the figure. Which of the parental strands are the templates for leading (continuous) and lagging (discontinuous) strand С. synthesis?. Top or bottom strand. I d. Give the sequence of the five base long primer that is shown as an arrow in the diagram above 5' 3' e. Give the sequence of the next four bases that would be added to the growing end of the primer 5' 3'

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter12: Dna: The Carrier Of Genetic Information

Section: Chapter Questions

Problem 8TYU: The statement DNA replicates by a semiconservative mechanism means that (a) only one DNA strand is...

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Which of the following is/are not required for DNA replication to occur? a. DNA polymerase b. nucleotides c. template DNA d. primers e. helicase f. all are required
The statement DNA replicates by a semiconservative mechanism means that (a) only one DNA strand is copied (b) first one DNA strand is copied and then the other strand is copied (c) the two strands of a double helix have identical base sequences (d) some portions of a single DNA strand are old and other portions are newly synthesized (e) each double helix consists of one old and one newly synthesized strand
Which of the following statements about DNA replication is false? a. Synthesis of the new DNA strand is from 39 to 59. b. Synthesis of the new DNA strand is from 59 to 39. c. DNA unwinds, primase adds RNA primer, and DNApolymerases synthesize the new strand and remove the RNAprimer. d. Many initiation points exist in each eukaryotic chromosome. e. Okazaki fragments are synthesized in the opposite directionfrom the direction in which the replication fork moves.
Make the complementary strand for the following DNA template and label both strands as 5 to 3 or 3 to 5 (P = phosphate in the diagram). Draw an arrow showing the direction of synthesis of the new strand. How many hydrogen bonds are in this double strand of DNA? template: PAGGCTCGOH new strand:
If a segment of DNA is 5 CATTAC 3, the complementary DNA strand is (a) 3 CATTAC 5 (b) 3 GTAATG 5 (c) 5 CATTAC 3 (d) 5 GTAATG 3 (e) 5 CATTAC 5
Which of the following statements about DNA is false? a. Phosphate is linked to the 5 and 3 carbons of adjacentdeoxyribose molecules. b. DNA is bidirectional in its synthesis. c. Each side of the helix is antiparallel to the other. d. The binding of adenine to thymine is through three hydrogenbonds. e. Avery identified DNA as the transforming factor in crossesbetween smooth and rough bacteria.
Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from_______. a. ATP b. DNA polymerase c. the nucleotide d. a and c
Topoisomerases (a) synthesize DNA (b) synthesize RNA primers (c) join Okazaki fragments (d) break and rejoin DNA to reduce torsional strain (e) prevent single DNA strands from joining to form a double helix
For each species, all ________ in the complete set of chromosomes is the ________. a. genomes; library b. DNA; genome c. mRNA; start of cDNA d. cDNA; start of mRNA
Which of the following is part of the elongation step of DNA synthesis? pulling apart the two DNA strands attaching complementary nucleotides to the template strand untwisting the DNA helix none of the above
Figure 14.14 You isolate a cell strain in which the joining of Okazaki fragments is impaired and suspect that a mutation has occurred in an enzyme found at the replication fork. Which enzyme is most likely to be mutated?
The experiments in which Meselson and Stahl grew bacteria in heavy nitrogen conclusively demonstrated that DNA (a) is a double helix (b) replicates semiconservatively (c) consists of repeating nucleotide subunits (d) has complementary base pairing (e) is always synthesized in the 5 3 direction