Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 9TYK
DNA polymerase is not able to begin copying a DNA strand on its own. How is the replication of DNA initiated?
- a. A coenzyme joins to the polymerase to allow it to begin synthesizing DNA.
- b. Short single-stranded DNA molecules called primers exist in the nucleus, and they bind to the DNA to allow synthesis to begin.
- c. An enzyme called primase creates a short RNA primer that can be extended by DNA polymerase.
- d. Telomerase extends the DNA strand to create a starting point.
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Check out a sample textbook solutionStudents have asked these similar questions
What is DNA polymerase?
a.An enzyme that carries out DNA replication
b.Short, single strand of DNA that base-pairs with a specific DNA sequence
c.An enzyme that corrects mutations that arise during the replication of DNA
d.An enzyme that seals any gaps that remain between bases of replicating strands of DNA
DNA strands are anti-parallel and DNA polymerase can only synthesize DNA in a 5' to 3' direction. How does the enzyme synthesize both strands at the same time?
A. The leading strand is sythesised in Okazaki fragments
B. The lagging strand is synthesised in short Okazaki fragments.
C. Only one strand is replicated.
D. There are more than one DNA polymerase involved.
What is DNA polymerase?
A. An enzyme that corrects mutations that arise during the replication of DNA
B. An enzyme that seals any gaps that remain between bases of replicating strands of DNA
C. Short, single strand of DNA that base-pairs with a specific DNA sequence
D. An enzyme that carries out DNA replication
Chapter 16 Solutions
Study Guide for Campbell Biology
Ch. 16 - Hershey and Chase devised an experiment using...Ch. 16 - Review the structure of DNA by labeling the...Ch. 16 - Using different colors for heavy (parental) and...Ch. 16 - Look back to Interactive Question 16.2 and label...Ch. 16 - In this diagram of bacterial DNA replication,...Ch. 16 - Draw the last Okazaki fragment being formed on the...Ch. 16 - List the successive levels of packing in a...Ch. 16 - Prob. 1SYKCh. 16 - Prob. 2SYKCh. 16 - One of the reasons most scientists thought...
Ch. 16 - Transformation involves a. the uptake of external...Ch. 16 - Prob. 3TYKCh. 16 - Which of the following most closely represents...Ch. 16 - Prob. 5TYKCh. 16 - Prob. 6TYKCh. 16 - In their classic experiment, Meselson and Stahl a....Ch. 16 - The joining of nucleotides in the polymerization...Ch. 16 - DNA polymerase is not able to begin copying a DNA...Ch. 16 - Prob. 10TYKCh. 16 - Prob. 11TYKCh. 16 - Prob. 12TYKCh. 16 - Which of the following is least related to the...Ch. 16 - Prob. 14TYKCh. 16 - Prob. 15TYKCh. 16 - Prob. 16TYKCh. 16 - Prob. 17TYKCh. 16 - Which of the following statements about telomeres...Ch. 16 - You are trying to test your hypothesis that DNA...Ch. 16 - Given the experimental procedure explained in...Ch. 16 - Prob. 21TYKCh. 16 - Biologists have learned from the technique of...
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- Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication? a. ATP b. the nucleotide itself c. NADH d. primers e. DNA ligasearrow_forwardWhich enzyme adds RNA nucleotides to mark the starting point for the synthesis of a new DNA strand? A. DNA polymerase I B. DNA polymerase III C. primase D. helicase The spontaneous loss of amino groups from adenine in dna results in hypoxanthine an uncommon base opposite thymine. what combination of proteins could repair such damage? A. telomerase, primase, DNA polymerase B. nuclease, DNA polymerase, DNA ligase C. telomerase, helicase, single-strand binding protein D. DNA ligase, replication fork proteins, adenylyl cyclase A section of DNA has the following sequence of nitrogenous bases: CGATTACAG. Which of the following sequence would be produced as a result of transcription? A. CGTUUTCTG B. GCTAATGTC C. CGAUUACAG D. GUAAUGUCarrow_forwardWhy is DNA replication considered semiconservative? A. Both strands of each replicating DNA molecules are conserved. B. One molecule consists of the old strands and the other DNA molecule is entirely new. C. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. D. Both strands of each replicating DNA molecule are new.arrow_forward
- Why is DNA replication considered semiconservative? a. One molecule consists of the old strands and the other DNA molecule is entirely new. b.Both strands of each replicating DNA molecule are new. c. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. d.Both strands of each replicating DNA molecules are conserved.arrow_forwardWhy are mutations more likely to occur in repeated DNA sequences? a. These bases are unstable b. bases in the strand can form base pairs, generating loops that interfere with replication and repair enzymes. c. The repeats hold onto the replication enzymes, causing base mismatches d. the repeats attract and bind to mutagens, increasing the mutation ratearrow_forwardWhat is the correct sequence action of proteins during the process of DNA replication? A. DNA polymerase, helicase, primase, ligase, SSB B. helicase, SSB, primase, ligase, DNA polymerase C. ligase, helicase, SSB, primase, DNA polymerase D. helicase, SSB, primase, DNA polymerase, ligasearrow_forward
- when a cell to divide, its DNA must be replicated (copied). a.List the most important participating components and their functions in replication b.why is it important that the replication goes right and that relatively few mutations occur during the replication? c.Will the offspring of the individual who received a mutation inherit the mutationarrow_forwardHow is synthesis terminated in DNA Replication? a. DNA Polymerase runs out of template b. DNA Polymerase reaches an end site c. DNA Polymerase reads a stop codon d. DNA Polymerase adds a Poly-A Tail to the new daughter strand e. DNA Polymerase synthesizes a terminator sequencearrow_forwardWhat is the function of resolvase in recombination? a. It unwinds double-stranded DNA. b. It allows a single DNA strand to invade a DNA helix. c. It displaces one of the original DNA strands during branch migration. d. It cleaves the Holliday structure.arrow_forward
- Base analogs are mutagenic because of which characteristic? a. They produce changes in DNA polymerase that cause it to malfunction. b. They distort the structure of DNA. c. They are similar in structure to the normal bases. d. They chemically modify the normal bases.arrow_forwardThe spontaneous loss of amino groups from adenine in DNA results in hypoxanthine, an uncommon base, opposite thymine. What combination of proteins cold repair such damage? a. nuclease, DNA polymerase, DNA ligase b.telomerase, primase, DNA polymerase c. telomerase, helicase, single-stranded binding protein d.DNA ligase, replication for proteins, adenylyl cyclasearrow_forwardA student mixes various molecule needed for DNA replication. When he adds DNA, replication occurs, but each DNA duplex consists of a normal DNA strand paired with numerous segments of DNA a few hundred nucleotides long. What has been left out of the mixture? A. NTPs B. DNA polymerase III C. ATP D. DNA polymerase I E. DNA ligasearrow_forward
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