BI SCI Quiz 3 notes - Chromosomes- DNA, Protein Founders of...

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Chromosomes- ½ DNA, ½ Protein Founders of DNA James Watson and Francis Crick 1953 Published work Double Helix Nucleotide- Base that attaches to a Sugar which is attached to a Phosphate DNA- D eoxyribose N ucleic A cid Purine Bases- Adenine - A, Guanine – G Pyrimidine Bases – Thymine –T, Cytosine – C DNA Structure Phosphate- Sugar – Base – Sugar – Phosphate 5’ end - Phosphate end 3’ end - Sugar end Histones – proteins form into balls, DNA then wraps around protein. DNA Replication Ingredients needed for DNA replication 1. old template 2. free nucleotides 3. DNA polymerase Gene – is a piece of DNA that contains information needed to build proteins. - Structural Proteins (cells and tissue) - Enzym es 20 Kinds of Amino Acids DNA –transcription- mRNA –translation- protein Transcription RNA – is a single strand of DNA nucleotides
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RNA- R ibo N ucleic A cid RNA Nucleotides - Sugar is Ribose - Uracil-U replaces Thymine – T Promoter – hop in signal for RNA polymerase
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This note was uploaded on 03/31/2008 for the course BISCI 003 taught by Professor Sedaranthony during the Spring '08 term at Pennsylvania State University, University Park.

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BI SCI Quiz 3 notes - Chromosomes- DNA, Protein Founders of...

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