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- 1. Multiple Choice
This enzyme is capable of breaking Hydrogen bonds found between the bases of DNA
Topoisomerase
DNA Helicase
DNA Polymerase
Exonuclease
- 2. Multiple ChoiceWhat is the purpose of DNA replication?Cut the DNAMake more cellsApoptosisDuplicate the DNA
- 3. Multiple ChoiceWhich enzyme seals okazaki fragments together on the lagging strand?TopoisomeraseHelicasePolymeraseLigase
- 4. Multiple ChoiceWhat do we call DNA replication since new DNA has 1 parent strand and 1 new strand?ConservativeSemiconservativeDispersive
- 5. Multiple ChoiceWhat is the backbone of DNA made of?Nitrogen basesAmino acidsDouble HSugar & Phosphate
- 6. Multiple ChoiceWhy is it crucial that living things are able to replicate their DNA?Each cell must have its own DNALess copies of DNA are needed when a new cell is createdA cell needs multiple copies of DNAOnly muscle cells need DNA
- 7. Multiple ChoiceWhich enzyme is responsible for adding nucleotides?TopoisomeraseDNA PolymeraseLigasePrimase
- 8. Multiple Choice
The separation of the two single strands of DNA creates a ‘Y’ shape?
enzyme
unzip
A replication fork
- 9. Multiple Choice
This enzyme synthesizes short RNA sequences to guide DNA Polymerase
Primers
DNA Primase
DNA Polymerase
Topoisomerase
- 10. Multiple Choice
In what direction does the Leading strand run?
3' ----> 5'
5' -----> 3'
It doesn't matter
Both directions
- 11. Multiple Choice
Okazaki fragments are found on the _______________ strand
Leading
Lagging
- 12. Multiple Choice
This enzyme ONLY works in one direction which is 5'------> 3'
DNA Polymerase
DNA Helicase
Topoisomerase
Telomerase
- 13. Multiple ChoiceWhich of the following units are repeatedly joined together to form a strand of DNA?amino acidsnucleotidesfatty acidspolysaccharides
- 14. 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
- 15. Multiple ChoiceIn what phase of the cell cycle does DNA replication take place?G1SG2M
- 16. Multiple ChoiceWhich of the following must happen first in order for DNA replication to occur?DNA polymerase binds to the leading strandDNA is unwoundHydrogen bonds form between baseschromosomes condense
- 17. Multiple ChoiceOkazaki fragments form on the:lagging strandleading strandbase-pairs5' end
- 18. Multiple ChoiceWhich of the following is required for DNA replication to occur?DNA helicaseDNA ligaseDNA polymeraseall of these
- 19. Multiple Choice
Direction that DNA is replicated
3' to 5'
5' to 3'
- 20. Multiple ChoiceWhat strand is copied faster?LeadingLagging
- Answer choicesTagsAnswer choicesTags