Identify the structure of DNA Identify the structure of RNA Compare and contrast the structures of...
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Transcript of Identify the structure of DNA Identify the structure of RNA Compare and contrast the structures of...
Learning Objectives
Identify the structure of DNAIdentify the structure of RNACompare and contrast the structures of DNAand RNA in terms of nucleotides and basepairs.
South Carolina Standards:B-4.1 B-4.2B-3.5
What are DNA and RNA?
DNA and RNA are two different nucleicacids found in the cells of every livingorganism.
StructureDNA and RNA are composed of repeating subunits called nucleotides. Nucleotides are composed of three parts.
1. A phosphate group
2. A 5- carbon sugar
3. A nitrogen base
The difference in the base pairs for DNA and RNA are thymine in DNA and Uracil in RNA. In DNA adenine pairs with thymine and cytosine pairs with guanine. In RNA adenine pairs with uracil and cytosine pairs with guanine
DNA
Nitrogen Base PairsDNA and RNA each have 4
nitrogen bases.
RNAAdenineThymineCytosineGuanine
AdenineUracil
CytosineGuanine
How do the nucleotides link together to form DNA ?Click to watch the video
How Do nucleotides link together to form RNA?
Click to watch video
Comparing DNA and RNAReview
RNA DNA
Name
Function
5-Carbon Sugar
Shape
Backbone
Nitrogen Bases
Ribonucleic Acid Deoxyribonucleic Acid
Messenger/In charge of Protein Synthesis Genetic Make-up
Ribose Deoxyribose
Single stranded Double Helix
Repeating sugar phosphate groups
Repeating sugar phosphate groups
Adenine +UracilCytosine + Guanine
Adenine +ThymineCytosine + Guanine