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Biology
9th -
12thgrade
Amoeba Sisters Video Recap: DNA Replication
23 questions
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- 1. Multiple Choice
To understand DNA replication, we need to understand the “why.” Why does DNA need to replicate before cells divide?
So that each cell has a full copy of DNA
So that each cell has half a copy of DNA
So that each cell has a no copies of DNA
So that each cell has a different copies of DNA
- 2. Multiple Choice
use the image to answer the questions
How many Deoxyribose (sugar).
Total number in image?
6
3
1
2
- 3. Multiple Choice
use the image to answer the questions
How many Hydrogen bonds?
Total number in image?
6
3
1
2
- 4. Multiple Choice
use the image to answer the questions
How many adenine?
Total number in image?
6
3
1
2
- 5. Multiple Choice
use the image to answer the questions
How many thymine?
Total number in image?
6
3
1
2
- 6. Multiple Choice
use the image to answer the questions
How many cytosine?
Total number in image?
6
3
1
2
- 7. Multiple Choice
use the image to answer the questions
How many guanine?
Total number in image?
6
3
1
2
- 8. Multiple Choice
is this an image of...
DNA
RNA
- 9. Multiple Choice
What does the enzyme Helicase do?
unzips the 2-strand DNA into single strand
builds a new set of DNA
shows way for Polymerase, creates primer
glues fragments of DNA together
- 10. Multiple Choice
What does the enzyme DNA Polymerase do?
unzips the 2-strand DNA into single strand
builds a new set of DNA
shows way for Polymerase, creates primer
glues fragments of DNA together
- 11. Multiple Choice
What does the enzyme Ligase do?
unzips the 2-strand DNA into single strand
builds a new set of DNA
shows way for Polymerase, creates primer
glues fragments of DNA together
- 12. Multiple Choice
What is going on in this image of the events occurring in DNA replication?
helicase unwinds DNA strands
binds DNA strands
builds the complementary strands
gluing fragments
- 13. Multiple Choice
What is going on in this image of the events occurring in DNA replication?
helicase unwinds DNA strands
binds DNA strands
builds the complementary strands
gluing fragments
- 14. Multiple Choice
What is going on in this image of the events occurring in DNA replication?
helicase unwinds DNA strands
binds DNA strands
builds the complementary strands
gluing fragments
- 15. Multiple Choice
What is going on in this image of the events occurring in DNA replication?
helicase unwinds DNA strands
binds DNA strands
builds the complementary strands
gluing fragments
- 16. Multiple Choice
Explain what is meant by the "lagging" strand and why this occurs.
nothing happens
it replicates at a slower pace
it replicates at a faster pace
it replicates at a normal place
- 17. Multiple Choice
What is the function of primers?
Gives a place for helicase to start working.
Gives a place for primase to start working.
Gives a place for ligase to start working.
Gives a place for DNA polymerase to start working.
- 18. Multiple Choice
DNA replication is a semiconservative process. Why?
When DNA replicates, each new DNA molecule contains half of the original molecule.
When cells reproduce, the new cell needs a copy of the DNA.
The two DNA strands do not go in the same direction.
DNA polymerase can only add nucleotides to the 3’ end of the DNA strand.
- 19. Multiple Choice
Which membrane-bound organelle contains the genetic material of the cell (such as DNA) ?
Cytoplasm
Nucleus
Endoplasmic Reticulum (ER)
Mitochondria
- 20. Multiple Choice
Which organelle in the cell is not a membrane-bound organelle and makes proteins?
Mitochondria
Golgi Apparatus
Nucleus
Ribosomes
- 21. 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
- 22. Multiple ChoiceWhich organelle is DNA usually found in?cell membranevacuolechloroplastnucleus
- 23. Multiple ChoiceWhat are the 4 nitrogen bases?adenine, thymine, cytoplasm, and guanineadenine, thymine cytosine, and guanineadenine, thymine, cytosine, and gylceroladenine, thymine, cytosine, and glucose
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