1. DNA Replication Review
Ms. H and Dr. Nichols

2. Why does DNA need to replicate prior to cell division (mitosis)?
Make a list of vocabulary words/terms that we learned/introduced yesterday.
Question of The Day!

3. Vocabulary Helicase Phosphate Group DNA Gyrase Backbone Telomere Bases
DNA Polymerase
DNA Replication
S Phase
Double Helix
Deoxyribonucleic Acid
Nucleotide
Hydrogen Bonds
Complimentary
Deoxyribose
Vocabulary

4. Deoxyribonucleic Acid
What does DNA stand for?

5. What is DNA Replication?
The process of making an exact copy of DNA.
What is DNA Replication?

6. DNA Polymerase
This adds nucleotides to the exposed bases according to the base pairing rules.

7. THE BASE-PAIRS FIT LIKE PUZZLE PIECES BECAUSE THEY ARE...
Complimentary
THE BASE-PAIRS FIT LIKE PUZZLE PIECES BECAUSE THEY ARE...

8. Deoxyribose
What sugar is found DNA?

9. A weak bond that holds the bases of DNA together.
Define Hydrogen Bonds

10. I break hydrogen bonds between bases. What am I?
Helicase
I break hydrogen bonds between bases. What am I?

11. I am the complimentary base pair to adenine (A).
Thymine (T)
I am the complimentary base pair to adenine (A).

12. Telomere
I am a series of repeating bases added to each end of the DNA molecule. What am I?

13. What are the three components of DNA?

14. I occur in the S phase of the cell cycle. What am I?
DNA Replication
I occur in the S phase of the cell cycle. What am I?

15. I am a subunit of DNA. What am I?
Nucleotide
I am a subunit of DNA. What am I?

16. I am the complimentary base pair to guanine (G).
Cytosine (C)
I am the complimentary base pair to guanine (G).

17. The shape of DNA can be described as…
A double-helix
The shape of DNA can be described as…

18. I am found between the backbone of DNA. What am I?
Bases
I am found between the backbone of DNA. What am I?

19. Identify the step and explain what is happening in the image including the enzyme being used.

20. Identify the step and explain what is happening in the image (including the enzyme being used if applicable).

21. Identify the step and explain what is happening in the image including the enzyme being used.

22. Identify the step and explain what is happening in the image including the enzyme being used.

23. Identify and explain the step that involves nucleases.
Nucleases “scan” the DNA to identify and repair any errors such as incorrect base pairing.
Identify and explain the step that involves nucleases.

24. Put these steps in the correct order.
Nucleases “scan” the DNA to identify and repair any errors such as incorrect base pairing.