Which enzyme catalyzes the elongation of a DNA strand in the 5/3 direction quizlet?

Terms in this set (62)

21) In E. coli, to repair a thymine dimer by nucleotide excision repair, in which order do the necessary enzymes act?
A) nuclease, DNA polymerase, RNA primase
B) helicase, DNA polymerase, DNA ligase
C) DNA ligase, nuclease, helicase
D) nuclease, DNA polymerase, DNA ligase

Referring to the figure, what bases will be added to the primer as DNA replication proceeds?
A) 5′ C, A, G, C, A, G, A 3′
B) 3′ T, C, T, G, C, T, G 5′
C) 5′ A, G, A, C, G, A, C 3′
D) 3′ G, T, C, G, T, C, T 5′

8) 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) nuclease, DNA polymerase, DNA ligase
B) telomerase, primase, DNA polymerase
C) telomerase, helicase, single-strand binding protein
D) DNA ligase, replication fork proteins, adenylyl cyclase

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Which enzyme catalyzes the elongation of DNA strand in 5 3 direction?

Answer and Explanation: DNA polymerase catalyzes the elongation of a DNA strand in the 5'-3' direction. An enzyme known as (DNA-dependant) DNA polymerase synthesizes a new DNA strand in the 5' to 3' direction by using the DNA template strand and a starting primer.

Which enzyme catalyzes the elongation of a DNA strand in the 5/3 direction quizlet?

coli, which enzyme catalyzes the elongation of a new DNA strand in the 5' → 3' direction? DNA polymerase can join new nucleotides only to the 3 end of a pre-existing strand, and the strands are antiparallel.

Which enzyme catalyzes the elongation of a DNA strand in the 5 → 3 direction by adding nucleotides to the end of a growing DNA strand?

DNA polymerase is the enzyme that catalyzes the addition of a nucleotide onto the 3' end of a growing DNA strand. DNA polymerase provides the free energy to catalyze the endergonic addition of a nucleotide onto the 3' end of a growing DNA strand. DNA polymerase catalyzes the synthesis of the template strand of DNA.

What enzyme catalyzes the new DNA 5 to 3?

The central enzyme involved is DNA polymerase, which catalyzes the joining of deoxyribonucleoside 5′-triphosphates (dNTPs) to form the growing DNA chain.