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DNA - The Blueprint of Life PowerPoint Presentation

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Description : Check out this medical presentation on DNA, which is titled "DNA - The Blueprint of Life", to know about DeoxyriboNucleic Acid (DNA).

Tags : DNA, DeoxyriboNucleic Acid

Published on : Jul 12, 2021 | Views : 2359 | Downloads : 6

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Slide 1-

DNA "The Blueprint of Life"
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DNA stands for... DeoxyriboNucleic Acid
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DNA FACTS established by James Watson and Francis Crick Shape of a double helix
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codes for your genes (traits) made of repeating subunits called nucleotides
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What is a nucleotide? Has three parts: PHOSPHATE DEOXYRIBOSE (sugar) BASE (A,T,G,C)
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Base-Pair Rule Adenine <==> Thymine Guanine <==> Cytosine The sides of the DNA ladder are phosphate & sugar held together by hydrogen bonds
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Base Pair Rule One side: A T A T C A T G C G G G Other side:
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How the Code Works The combination of A,T,G,C determines what traits you might have, for ex. C A T C A T = purple hair T A C T A C = yellow hair
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Think of the bases of DNA like letters. Letters form words.... Words form sentences.... *endless combinations
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Let's Review What We Know About DNA 1. DNA stands for: De _____ ribo ______ acid 2. What is the shape of DNA? _______________ 3. Who established the structure of DNA? ____________ 4. Adenine always pairs with _______________ 5. The sides of the DNA ladder are deoxyribose and _____ 6. Guanine always pairs with _____________ 7. What is the complimentary sequence: A A T G C A 8. The two sides of DNA are held together by _______ bonds. 9. DNA is composed of repeating subunits called ______________________ 10. What are the 4 bases that make up the rungs of the DNA ladder? _______________________________________
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DNA REPLICATION the process by which DNA makes a copy of itself (cell division) SEMI-CONSERVATIVE - half of the old strand is saved
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RNA - the messenger *single strand *ribose sugar *contains no thymine, uracil instead *can leave the nucleus *follows base pair rule DNA: A T A G C G RNA:
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RNA carries the "message" to the ribosomes, where proteins are made
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DNA --> RNA --> Protein Proteins are the building blocks of the organism (traits)
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Transcription - process where RNA is made from DNA, occurs in the nucleus of the cell Translation - process where proteins are made from RNA, occurs in the cytoplasm
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