DNA Polymerases quiz #2 Flashcards
DNA Polymerases quiz #2
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What does DNA polymerase do during DNA replication?
DNA polymerase synthesizes new DNA strands by adding nucleotides to a growing DNA chain, extending from the 5' to 3' direction. What enzyme places the nucleotides on the DNA strand during replication?
DNA polymerase is responsible for placing nucleotides on the DNA strand during replication. What is the function of DNA polymerase in DNA replication?
The function of DNA polymerase in DNA replication is to synthesize new DNA strands by adding nucleotides to the template strand. What is the role of DNA polymerase in the DNA replication process?
DNA polymerase's role in DNA replication is to elongate the new DNA strand by adding nucleotides in the 5' to 3' direction. What enzyme glues the nucleotides together along the sugar-phosphate backbone?
DNA ligase is the enzyme that glues the nucleotides together along the sugar-phosphate backbone. What is the role of DNA ligase in the elongation of the lagging strand during DNA replication?
DNA ligase joins Okazaki fragments on the lagging strand, forming a continuous DNA strand. What materials does DNA polymerase require in order to synthesize a complete strand of DNA?
DNA polymerase requires a template strand and a primer with a free 3' hydroxyl group to synthesize a complete strand of DNA. Which enzyme builds the new strand by adding nucleotides during DNA replication?
DNA polymerase is the enzyme that builds the new strand by adding nucleotides during DNA replication. DNA polymerase can only build in what direction?
DNA polymerase can only build in the 5' to 3' direction. What is the role of DNA polymerase in DNA replication?
DNA polymerase's role in DNA replication is to synthesize new DNA strands by adding nucleotides to the template strand. Which of the following does the enzyme primase synthesize? a) DNA strand b) RNA primer c) Protein d) Lipid
b) RNA primer Which of the following is not a property of DNA polymerase? a) Synthesizes DNA b) Requires a primer c) Works in 3' to 5' direction d) Proofreads DNA
c) Works in 3' to 5' direction What is the role of the enzyme DNA polymerase in DNA replication?
DNA polymerase synthesizes new DNA strands by adding nucleotides to the template strand. What are the main functions of DNA polymerase?
The main functions of DNA polymerase are to synthesize new DNA strands and to proofread and correct errors during replication. What is the function of DNA polymerase in DNA replication?
DNA polymerase synthesizes new DNA strands by adding nucleotides to the template strand. Which of the following are similarities between DNA polymerase and RNA polymerase? a) Both synthesize nucleic acids b) Both require a primer c) Both work in 3' to 5' direction d) Both synthesize proteins
a) Both synthesize nucleic acids Which enzyme is responsible for adding nucleotides to the growing DNA molecule?
DNA polymerase is responsible for adding nucleotides to the growing DNA molecule. What is a major difference between DNA polymerase I and DNA polymerase III?
DNA polymerase I replaces RNA primers with DNA, while DNA polymerase III is primarily responsible for elongating the new DNA strand. What does DNA polymerase do during replication?
DNA polymerase synthesizes new DNA strands by adding nucleotides to the template strand. Which of the following builds new strands of DNA? a) DNA ligase b) DNA polymerase c) RNA polymerase d) Helicase
b) DNA polymerase What enzyme is responsible for adding nucleotides to a growing DNA chain during replication?
DNA polymerase is responsible for adding nucleotides to a growing DNA chain during replication. How does DNA polymerase I differ from DNA polymerase III?
DNA polymerase I replaces RNA primers with DNA, while DNA polymerase III is primarily responsible for elongating the new DNA strand. What enzyme has proofreading and repair functions during DNA replication?
DNA polymerase has proofreading and repair functions during DNA replication. Which of the following statements best describes DNA polymerase? a) Synthesizes RNA b) Synthesizes DNA c) Synthesizes proteins d) Synthesizes lipids
b) Synthesizes DNA What enzyme connects complementary bases to the DNA?
DNA polymerase connects complementary bases to the DNA during replication. What is the role of DNA polymerase in replication?
DNA polymerase synthesizes new DNA strands by adding nucleotides to the template strand. What does DNA polymerase do?
DNA polymerase synthesizes new DNA strands by adding nucleotides to the template strand. Which of the following enzymes involved in DNA replication is unique to eukaryotes? a) DNA polymerase b) RNA polymerase c) Telomerase d) Helicase
c) Telomerase What is the function of DNA polymerase III?
DNA polymerase III is responsible for elongating the new DNA strand during replication. In what way does RNA polymerase differ from DNA polymerase?
RNA polymerase synthesizes RNA, while DNA polymerase synthesizes DNA. Which statement is correct regarding polymerases on the bacterial chromosome? a) DNA polymerase I is the primary enzyme b) DNA polymerase III is the primary enzyme c) RNA polymerase is the primary enzyme d) DNA ligase is the primary enzyme
b) DNA polymerase III is the primary enzyme Which enzyme attaches the Okazaki fragments?
DNA ligase attaches the Okazaki fragments. Which of the following proofreads the new DNA molecules during replication? a) DNA ligase b) DNA polymerase c) RNA polymerase d) Helicase
b) DNA polymerase What does the enzyme DNA polymerase do to the DNA strands?
DNA polymerase synthesizes new DNA strands by adding nucleotides to the template strand. Which is the function of DNA polymerase?
The function of DNA polymerase is to synthesize new DNA strands by adding nucleotides to the template strand. What function does the enzyme DNA ligase perform in DNA replication?
DNA ligase joins Okazaki fragments on the lagging strand, forming a continuous DNA strand. Which enzyme is responsible for adding nucleotides?
DNA polymerase is responsible for adding nucleotides. Which of the following statements about DNA polymerase is false? a) It synthesizes DNA b) It requires a primer c) It works in 3' to 5' direction d) It proofreads DNA
c) It works in 3' to 5' direction How does DNA polymerase differ from RNA polymerase?
DNA polymerase synthesizes DNA, while RNA polymerase synthesizes RNA. How does RNA polymerase differ from DNA polymerase?
RNA polymerase synthesizes RNA, while DNA polymerase synthesizes DNA.
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