Unit 2 DNA Spring 08 FINAL

Unit 2 DNA Spring 08 FINAL - The Nucleic Acids DNA, RNA...

Info iconThis preview shows pages 1–14. Sign up to view the full content.

View Full Document Right Arrow Icon
The Nucleic Acids DNA, RNA & DNA Replication
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Outline DNA History Structure Replication RNA Structure
Background image of page 2
The Nucleic Acids: DNA DNA structure visualized by Scanning tunneling electron microscope Electron micrograph of  plasmid DNA
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Information Flow in Cells Cell DNA Replication MITOSIS Daughter Cell #1 Daughter Cell #2 Transcription Translation http://www.youtube.com/watch?v=1GWI7qcQWbA
Background image of page 4
History Discovery of DNA Johann Friedrich Miescher Swiss biologist Identified DNA from pus from wounds Used nuclei from leucocytes as DNA source
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
History: Levene P.A. Levene 1920’s biochemist Analyzed components of DNA molecule Found the molecule contained 4 nitrogenous bases: cytosine, thymine, Deoxyribose sugar Phosphate group Concluded proportions of bases were equal & developed Tetranucleotide hypothesis Both wrong
Background image of page 6
Griffiith and Pneumococcus
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Griffith and Pneumococcus
Background image of page 8
Showed that Griffith’s transforming factor was DNA
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Bacteriophage Replication
Background image of page 10
Hershey Chase Experiment
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Hershey-Chase Experiment
Background image of page 12
Chargaff’s Rules Four nitrogenous bases found in DNA % Adenine = % Thymine % Guanine = % Cytosine A + G = C + T Human DNA 30.0% A 29.4% T 19.9% G 19.8% C
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 14
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/05/2012 for the course BIO 231 taught by Professor Nette during the Spring '11 term at Cuyamaca College.

Page1 / 47

Unit 2 DNA Spring 08 FINAL - The Nucleic Acids DNA, RNA...

This preview shows document pages 1 - 14. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online