3. Which of the following processes involves DNA ligase?A. Primer synthesisB. Removal of DNA supercoilingC. Formation of replication forkD. Nucleotide excision repairE. Elongation of leading strand

DNA is called deoxyribonucleic acid. DNA act as genetic material in most organisms. DNA is a…

Answered: 3. Which of the following processes…

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 5RQ: The initial mechanism for repairing nucleotide errors in DNA is _____. a. mismatch repair b. DNA...

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Similar questions

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
2. What does the salt in the soapy salt solution do in the DNA extraction? a. It dissolves the DNA. b. It displaced a lot of proteins to free the DNA. c. It disrupts the phospholipid bilayer. d. It precipitates the DNA.
1. What is/are the purpose(s) of DNA extraction? 2. What is the function of each reagent used in the extraction of DNA from a banana? a. Saltwater b. Liquid dishwashing soap c. Cold isopropyl alcohol
#4 under Identify the Structures is what? A. original strand of DNA B. DNA backbone C. nitrogen bases D. new complimentary strand of DNA
#1 under Identify the Structures is what.... A. original strands of DNA B. backbone of DNA C. nitrogen bases D. new copied strand of DNA
f an error is made during replication that is not caught by DNA polymerase, the most likely is that _____. a. DNA ligase will repair the mistake before a mutation occurs b. only the daughter strand will be mutated c. both strands of DNA will be mutated d. DNA replication will stall indefinitely e. a mutation that causes cancer will occur
1. The extraction of DNA is a common procedure in biotechnology research laboratories. Research the methods of extracting DNA in biotechnology facilities. Describe how the extraction methods used in this lesson compare to those of research laboratories.
1. TRUE OR FALSE: a) Okazaki fragments are short DNA pieces that explain how the DNA polymerase can continue the synthesis of the new strand. b) Okazaki fragments are short DNA pieces that explain how the DNA polymerase can continue the synthesis of the new strand.
3)What would be the third amino acid produced by the DNA strand: T A C C G A G T C A C G (Hint: use the mRNA strand you already coded)
After a polymerase chain reaction (PCR), agarose gel electrophoresis is often used to: a. amplify the DNA. b. convert cDNA into genomic DNA. c. convert cDNA into messenger RNA. d. verify that the desired DNA sequence has been amplified. e. synthesize primer DNA molecules.
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.
The initial mechanism for repairing nucleotide errors in DNA is _____. a. mismatch repair b. DNA polymerase proofreading c. nucleotide excision repair d. thymine dimers

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3. Which of the following processes involves DNA ligase? A. Primer synthesis B. Removal of DNA supercoiling C. Formation of replication fork D. Nucleotide excision repair E. Elongation of leading strand