dna. what is dna? contains info for growth/function deoxyribonucleic acid stored in nucleus
TRANSCRIPT
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DNA
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What is DNA?• Contains info for
growth/function• DeoxyriboNucleic
Acid• Stored in nucleus
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What is DNA made up of?
• Sugar=deoxyribose• Phosphate• Nitrogen bases:
Thymine, Adenine, Guinine, Cytosine• A=T• G=C
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Determine the matching DNA strand
• ATGCTAGGAT
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What does DNA look like?• 1952 Rosalind
Franklin discovered that DNA is 2 chains in spiral form
• Double helix• 1953 F. Crick & J.
Watson made a model
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• https://www.youtube.com/watch?v=VegLVn_1oCE
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DNA• DNA stores info
for making proteins in genes [section of DNA on a chromosome] in the nucleus
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DNA
• The codes for making proteins are carried to the ribosomes by RNA [made by DNA]
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What are proteins?
• Chains of thousands of amino acids (a.a.) genes determine the order of a.a.
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Adenine always bonds with what base?
a. Thymineb. Guaninec. Cytosined. Adenine
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Cytosine always bonds with what base?
A. ThymineB. GuanineC. CytosineD. Adenine
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DNA has the stucture of what?
a. a step ladderb. twisted ladderc. a ladderd. a chair
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Who was responsible for the discover of DNA?
a. Franklin, Watson, and Crick
b. Perez, Keene-Krops, Francher
c. Franklin and Watsond. Franklin and Crick