BI+107+Chapter+17

BI+107+Chapter+17 - Chapt er 17 Tr anscr ipt ion and Tr...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 17 Transcription and Translation
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
One Gene = One Protein Hypothesis Beadle and Tatum’s experiment linked separate gene mutations to different enzymes becoming dysfunctional Later experiments modified this hypothesis to 1 gene = 1 polypeptide Some proteins are made of more than one polypeptide chain
Background image of page 3

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

View Full DocumentRight Arrow Icon
Background image of page 4
Background image of page 5

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

View Full DocumentRight Arrow Icon
How is information transferred from DNA to protein DNA is the permanent copy of the information DNA is transcribed into mRNA (m is for messenger) mRNA is translated into an amino acid chain, also called a polypeptide chain or a protein. The 5’ end of the DNA correlates to the 5’ end of the mRNA which correlates to the Amino (N) terminal of the protein. The system for prokaryotes is simpler then it is for eukaryotes.
Background image of page 6
Background image of page 7

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

View Full DocumentRight Arrow Icon
Background image of page 8
Transcription When DNA is transcribed into mRNA the “language” is basically the same, nucleic acids The cell can tell DNA from RNA in 2 ways The sugar is different DNA uses deoxyribose and RNA uses ribose sugars DNA uses A,T,C and G for its nitrogenous
Background image of page 9

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

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/20/2011 for the course BIO 107 taught by Professor Berney during the Fall '10 term at Montgomery CC.

Page1 / 42

BI+107+Chapter+17 - Chapt er 17 Tr anscr ipt ion and Tr...

This preview shows document pages 1 - 10. Sign up to view the full document.

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