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Each of the following enzymes is required for replication in E.coli. With on exception, the enzymes on this list catalyzereactions in which phosphodiester bonds are created and/or broken(hydrolyzed). Which of these enzymes does not do so:

a. DNA polymerase I

b. DNA polymerase III

c. Helicase

d. Topoisomerase/gyrase

e. Primase

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Bunny Greenfelder
Bunny GreenfelderLv2
28 Sep 2019

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Related questions

DNA polymerase I, DNA ligase, and Topoisomerase I each catalyze the formation of phosphodiester bonds that are vital (directly or indirectly) to replication of DNA. What is the action of each of these enzymes in DNA replication and which part of replication do these enzymes participate in?

Identify the function of each of these proteins and list them inthe order in which they appear when forming the replication forkand during the process of replication.

  • DNA polymerase I (exonuclease)
  • DNA polymerase III
  • RNA primase
  • DNA ligase
  • DNA helicase
  • DNA gyrase
  • Single stranded binding proteins

Identify the function of each of these proteins and list them inthe order in which they appear when forming the replication forkand during the process of replication.

1. SAT flashback...Pick the words from the list share the samerelationship as the words in the folowing sentence: "Start Codon"is to "Ribosome" as ______ is to ________.

Select one:

a. Promoter, DNA polymerase

b. Primase, RNA polymerase

c. Promoter, RNA polymerase

d. origin of replication, RNA polymerase

e. Primase, DNA polymerase

2.

If the following RNA molecule were to undergo translation by aribosome, how many amino acids would make up the resultingprotein?

mRNA 5'-CUUGAUAUGGUGGUACCCUGGAAAUAAGUG-OH 3'

3.

Which of the following enzymes can break H-bonds? (You may markmore than one answer.)

Select one or more:

a. Helicase

b. RNA polymerase

c. DNA ligase

d. DNA polymerase

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