Which statement regarding DNA replication is false? A. On a DNA strand that is being synthesized, the 3' end is growing B. On a DNA strand that is being synthesized, the 5' end is growing C. On a DNA strand that is being synthesized, both 3' and 5' ends are growing D. All of the above E. None of the above

Which statement regarding DNA replication is false? A. On a DNA strand that is being synthesized, the 3' end is growing B. On a DNA strand that is being synthesized, the 5' end is growing C. On a DNA strand that is being synthesized, both 3' and 5' ends are growing D. All of the above E. None of the above

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter8: Dna Structure And Function

Section: Chapter Questions

Problem 11SA: The phrase 5to3 refers to the _________ . a. timing of DNA replication b. directionality of DNA...

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The phrase 5to3 refers to the _________ . a. timing of DNA replication b. directionality of DNA synthesis c. number of phosphate groups
DNA replication requires ________ . a. DNA polymerase c. primers b. nucleotides d. all are required
Which statement about Okazaki fragments is true? Select one: O a. They are necessary because DNA polymerase can only build DNA in the 5' to 3' direction, so for one of the strands at each fork, the DNA polymerase can only build away from the fork. O b. They correct errors made during earlier phases of DNA replication. O c. They act as a primer that initiates DNA replication. O d. They prevent the ends of chromosomes from shortening with every replication. e. DNA polymerase doesn't need a primer to build these fragments.
Why is an RNA primer necessary for DNA replication a. The RNA primer is necessary for the activity of DNA ligase b. The RNA primer creates the 3’ end for DNA polymerase to add nucleotides c. DNA polymerase can only add nucleotides to RNA d. RNA primer is not necessary for DNA replication
Which of the following is part of the elongation step of DNA synthesis?a. pulling apart the two DNA strandsb. attaching complementary nucleotides to the template strandc. untwisting the DNA helixd. none of the above
RNA primers are necessary in DNA synthesis because OA. primers mark the sites where helicase has to unwind the DNA. OB. the DNA polymerase enzyme can catalyze the addition of deoxyribonucleotides only onto the 3' (-OH) end of an existing strand. O C. RNA primase is the first enzyme in the replication complex. D. they are the source of nucleotides for DNA polymerases. 00 O E. DNA polymerase is unable to initiate replication without an origin. 5 p
DNA polymerase is responsible for everything listed below except a. adding nucleotides in the 5' to 3' direction b. removing RNA primers c. reading the template in the 3' to 5' direction d. initiating DNA replication e. replacing the incorrect nucleotides with the correct one
DNA polymerase is responsible for everything listed below except Select one: a. adding nucleotides in the 5′ to 3′ direction b. reading the template in the 3′ to 5′ direction c. replacing the incorrect nucleotides with the correct one d. removing RNA primers e. initiating DNA replication
Which of the following statements about RNA is/are incorrect? I. RNA strand synthesis does not occur during replication. II. All RNA strands produced during transcription are translated into proteins. III. RNA strands are composed of 10 nucleotide bases per turn. IV. RNA strands can pair with a DNA strand. V. RNA may be synthesized in the 5'-3' orientation and vice-versa (3'-5') depending on the orientation of the template DNA strand O I, II, and IV O I, II, III, IV, and V O II, IV and V O II, IV and V OI, II, III and V O Il and III
During DNA replication, the leading strand is synthesized continuously, while the lagging strand is synthesized as Okazaki fragments. This is because: O A. DNA polymerases can bind to only one strand at a time. O B. Two different DNA polymerases are involved in replication (DNA polymerase I and II). O C. DNA synthesis can take place only in the 5 -> 3 direction. D. The primers are made of RNA. Reset Selection Previous NEXT Save Exit MacBook Pro Q Search or enter website name & %24 %23 4 3 00 < CO
Match Column A (Description) with Column B (protein/enzyme). v unwinds the double helix of DNA in replication A. RNA polymerase v removes RNA in the newly synthesized polynucleotide B. DNA polymerase v synthesizes MRNA C. Helicase v keep the DNA single stranded D. SSB protein v makes a short section of RNA to act as a primer E. initiation factors v replicates DNA F. Primase v unwinds the double helix during transcription G. DNA polymerase v facilitates translation
During replication of a DNA molecule, the daughter strands are not produced in exactly the same manner. One strand, the leading strand, is made continuously toward the replication fork, while the lagging strand is made in fragments in the opposite direction. This difference in synthesis of the two strands is the result of which of the following? O a. DNA polymerase is not efficient enough to make two "good" strands of DNA O b. The two template strands are antiparallel, and DNA polymerase can only synthesize DNA in the 5' to 3' direction O c. The lagging strand is the result of DNA breaks caused by exposure to UV light Od. The cell does not contain enough nucleotides to make two complete strands Oe. Both B&D