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Nucleic Acids 2 Types What do they do? DNA- deoxyribonucleic acid

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Presentation on theme: "Nucleic Acids 2 Types What do they do? DNA- deoxyribonucleic acid"— Presentation transcript:

1 Nucleic Acids 2 Types What do they do? DNA- deoxyribonucleic acid
RNA- ribonucleic acid What do they do? Contain genetic information

2 DNA Exists as double helix- like a spiral staircase
Encodes cells protein sequences Exists in our cells in compact segments called chromosomes

3 RNA Three different types of RNA for different purposes(will discuss in later unit) Makes working copies of genes Genes dictate what amino acids are needed to make a certain protein

4 What are nucleic acids made of?
Subunits (monomers)are called nucleotides nucleotides are made of 3 parts 1. Phosphate group (PO4) 2. Sugar 3. Nitrogen Containing Base

5 Nucleic Acid (DNA)

6 Bases 2 groups Purines- larger bases Pyrimidines- smaller bases
Adenine Guanine Pyrimidines- smaller bases Thymine Cytosine

7 The Bases

8 Bases Adenine always pairs up with Thymine and vice versa
Guanine and Cytosine always pair together


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