5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

First, DNA helicase unzips
the DNA strand and breaks
the weak hydrogen bonds
holding the complementary
bases toget...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
5’

3’

Then, polymerase III uses
nucleotides to build a
second corresponding half
for each new strand.

Adenine Thymine
C...
This process is very important. It is what
allows for DNA to be copied. Also, it
allows for certain parts of DNA to be
cop...
One problem is that genetic mutations
can occur. This is when the bases pair
up with a non-corresponding base. For
example...
Dna model
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Dna model

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Dna model

  1. 1. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  2. 2. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  3. 3. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  4. 4. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  5. 5. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  6. 6. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  7. 7. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  8. 8. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  9. 9. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  10. 10. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  11. 11. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  12. 12. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  13. 13. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  14. 14. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  15. 15. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  16. 16. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  17. 17. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  18. 18. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  19. 19. 5’ 3’ First, DNA helicase unzips the DNA strand and breaks the weak hydrogen bonds holding the complementary bases together. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  20. 20. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  21. 21. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  22. 22. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  23. 23. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  24. 24. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  25. 25. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  26. 26. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  27. 27. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  28. 28. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  29. 29. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  30. 30. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  31. 31. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  32. 32. 5’ 3’ Then, polymerase III uses nucleotides to build a second corresponding half for each new strand. Adenine Thymine Cytosine Phosphate 3’ 5’ Guanine Sugar Nucleotide
  33. 33. This process is very important. It is what allows for DNA to be copied. Also, it allows for certain parts of DNA to be copied (when the body needs to make more of a certain thing.) Also, when cells copy, it allows for the copied cell to have the same DNA and to allow it to perform the same function.
  34. 34. One problem is that genetic mutations can occur. This is when the bases pair up with a non-corresponding base. For example, when A-G pair up and when CT pair up. Some example of genetic mutations are most types of cancer, Sickle-Cell Anemia, and Down Syndrome.

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