DNA STRUCTURE a special virus that infects bacteria

DNA STRUCTURE

________ – a special virus that infects bacteria - attaches to a bacteria cell and eats its genetic information then __________________to make “clones” of itself.

Bacteriophage – a special virus that infects bacteria - attaches to a bacteria cell and eats its genetic information then ___________________to make “clones” of itself.

Bacteriophage – a special virus that infects bacteria - attaches to a bacteria cell and eats its genetic information then replaces it with its own genetic information to make “clones” of itself.

DNA – Deoxyribonucleic Acid -____genetic information - _______ genetic information from parents to offspring

DNA – Deoxyribonucleic Acid - stores genetic information -______genetic information from parents to offspring

DNA – Deoxyribonucleic Acid - stores genetic information - passes genetic information from parents to offspring

DNA is made up of _______

DNA is made up of Nucleotides. Nucleotide

Each Nucleotide has 3 parts: 1. __________ 2. __________ 3. __________

Each Nucleotide has 3 parts: 1. Phosphate group 2. Deoxyribose – sugar 3. Nitrogen base - proteins

4 nitrogen bases 1. Adenine 2. Thymine 3. Cytosine 4. Guanine Phosphate Group + Deoxyribose make up the ______ Bases make up the ______of the ladder

4 nitrogen bases 1. Adenine 2. Thymine 3. Cytosine 4. Guanine Phosphate Group + Deoxyribose make up the sides of the ladder Bases make up the ______of the ladder

4 nitrogen bases 1. Adenine 2. Thymine 3. Cytosine 4. Guanine Phosphate Group + Deoxyribose make up the backbone Bases make up the steps of the ladder

Bases are paired and held together by ________(H-bonds). _____ pairs with _________pairs with _________

Bases are paired and held together by Hydrogen Bonds (H-bonds). ____________ pairs with __________________

Bases are paired and held together by Hydrogen Bonds (H-bonds). Adenine pairs with Thymine (A-T) ____ pairs with _______

Bases are paired and held together by Hydrogen Bonds (H-bonds). Adenine pairs with Thymine (A-T) Cytosine pairs with Guaninie (G-C)

ATGCTTAGCCAGCTAGC- T A C G A A T C G G T C G A T C G

_______ – Adenine and Guanine – have 2 rings ______ – Cytosine and Thymine -have one ring

Purines – Adenine and Guanine – have 2 rings ______ – Cytosine and Thymine -have one ring

Purines – Adenine and Guanine – have 2 rings Pyrimidines – Cytosine and Thymine -have one ring

The shape of DNA is called the _____. It looks like a _______. The Double Helix ______ DNA and makes it more ______ so that it ___________.

The shape of DNA is called the Double Helix. It looks like a __________. The Double Helix ______ DNA and makes it more _____so that it ___________.

The shape of DNA is called the Double Helix. It looks like a twisted ladder. The Double Helix ______ DNA and makes it more _____ so that it ___________.

The shape of DNA is called the Double Helix. It looks like a twisted ladder. The Double Helix twists DNA and makes it more _____ so that it ___________.

The shape of DNA is called the Double Helix. It looks like a twisted ladder. The Double Helix twists DNA and makes it more compact so that it ___________.

The shape of DNA is called the Double Helix. It looks like a twisted ladder. The Double Helix twists the shape of DNA and makes it more compact so that it fits into the nucleus.

________________– scientists who discovered the doublehelix shape of DNA

James Watson and Francis Crick – scientists who discovered the doublehelix shape of DNA

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