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- 1. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand
CAT TCA CTGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 2. Multiple ChoiceWhich of the following units are repeatedly joined together to form a strand of DNA?amino acidsnucleotidesfatty acidspolysaccharides
- 3. Multiple ChoiceThe enzyme that unwinds the DNA to prepare for replicationhelicasereplicasepolymerasesynthase
- 4. Multiple ChoiceDNA replication results in two DNA molecules,each one with two original strandseach one with two new strandseach one with one new strand and one original strandone with two new strands and the other with two original strands
- 5. Multiple ChoiceIn what phase of the cell cycle does DNA replication take place?G1SG2M
- 6. Multiple ChoiceWhich enzyme is responsible for adding nucleotides?TopoisomeraseDNA PolymeraseLigasePrimase
- 7. Multiple ChoiceThe process of DNA replication is called semi conservative because it results innone of theseTwo DNA molecules. One original molecule and one with two new strandstwo exact copies with new strandstwo identical molecules, each with 1 original strand and one new.
- 8. Multiple Choice
Based on the diagram, how many origins of replication are represented?1234 - 9. Multiple ChoicePlace the following in sequential order
1. Recoil
2. Straightens the double helix
3. Breaks Hydrogen bonds
4. Adds Free nucleotides1, 2, 3, 43, 4, 2, 13, 2, 4, 12, 3, 4, 1 - 10. Multiple ChoiceBased on the diagram, the enzyme (represented in gray) is most likely...DNA polymeraseDNA LigaseNucleaseHelicase
- 11. Multiple ChoiceWhat will the first four bases of the new DNA strand look like if copying the template strand?TGGTACCAGTTGCAAC
- 12. Multiple ChoiceWhy does DNA replicate?To create another copy for the new cellTo create a duplicate copy in case the original gets damagedTo create a new copy to replace the damaged original
- 13. Multiple ChoiceWhich of the following does DNA polymerase NOT do?connects nucleotides (in the new strand) through covalent bondsMatches the template nucleotides with free nucleotidesproofreadsIt does all of these functions
- 14. Multiple Choice
This enzyme is used to remove short RNA bases
Topoisomerase
DNA Helicase
Exonuclease
Telomerase
- 15. Multiple ChoiceWhich enzyme seals okazaki fragments together on the lagging strand?TopoisomeraseHelicasePolymeraseLigase
- 16. Multiple Choice
The separation of the two single strands of DNA creates a ‘Y’ shape?
enzyme
unzip
A replication fork
- 17. Multiple Choice
This enzyme helps helicase unzip DNA by relieving supercoiling
Topoisomerase
Exonuclease
DNA Primase
DNA Polymerase
- 18. Multiple Choice
This enzyme is responsible for creating telomeres added to the ends of DNA
Topoisomerase
Telomerase
DNA Helicase
DNA Primase
- 19. Multiple Choice
This enzyme synthesizes short RNA sequences to guide DNA Polymerase
Primers
DNA Primase
DNA Polymerase
Topoisomerase
- 20. Multiple Choice
In what direction does the Leading strand run?
3' ----> 5'
5' -----> 3'
It doesn't matter
Both directions
- 21. Multiple Choice
Okazaki fragments are found on the _______________ strand
Leading
Lagging
- 22. Multiple Choice
This enzyme ONLY works in one direction which is 5'------> 3'
DNA Polymerase
DNA Helicase
Topoisomerase
Telomerase
- 23. Multiple Choice
What is the LAST enzyme used in DNA replication
Topoisomerase
Telomerase
DNA Polymerase
DNA Ligase
- 24. Multiple ChoiceThe enzyme that comes first temporarily gets the single strand ready to add new nucleotides is calledHelicasePrimasePolymeraseNuclease
- 25. Multiple Choice
Which enzyme is responsible for adding nucleotides to the free three prime end
Helicase
Topoisomerase
DNA Polymersase 3
DNA Polymersase 1
- 26. Multiple Choice
Which enzyme is responsible for forming phosphodiester bonds between the Okazaki fragments?
Ligase
Helicase
DNA Polymerase 1
DNA Polymerase 3
- 27. Multiple Choice
Which enzyme proofreads and removes RNA Primase
Ligase
Polymerase 1
Polymerase 3
Helicase
- 28. Multiple Choice
Direction that DNA is replicated
3' to 5'
5' to 3'
- 29. Multiple Choice
Direction that DNA is READ?
3' to 5'
5' to 3'
- 30. Multiple ChoiceWhat strand is copied faster?LeadingLagging
- Answer choicesTagsAnswer choicesTags