Protein

Protein - All natural proteins are formed from the...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Biochemistry Chemistry of living things and life processes. Cell: structural unit of all living organisms. Cells are specific to the function of the particular tissue. Parts of the cell: Chemical composition, structure and function. Biomolecules • Phospholipids • Proteins • Carbohydrates • Lipids (fats and oils) • Nucleic acids Blackboard: http://blackboard.gwu.edu OfFce Hours: MW 3:10-3:55 PM, 1957 E street, room 113 or by appointment Chem 1004 - Spring 2011 Basic structure Phospholipids Constituents of cell membranes Simplified representation of a phospholipid molecule:
Background image of page 1

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

View Full DocumentRight Arrow Icon
Cell membrane Cell membrane
Background image of page 2
Examples of amino acids Proteins Side chain: combination of C,H, and sometimes O, N, or S determines the identity of the amino acid The __________________________ determines the function of the protein.
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
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: All natural proteins are formed from the combination of only 20 different amino acids alanine serine phenylalanine Class of protein Example Function of example structural proteins collagen connective tissue (tendons) enzymes DNA polymerase replicates and repairs DNA transport proteins hemoglobin transports O 2 to the cells contractile proteins actin, myosin cause contraction of muscles hormones insulin regulates glucose metabolism toxins snake venoms incapacitate food animals protective proteins antibodies complex with foreign proteins Examples of Protein Functions Formation of a peptide bond (condensation reaction) Simplied representation of a protein aa 1 aa 2 aa 3 aa 4 aa 5 aa n Protein structure Primary structure : Secondary structure : aa 1 aa 2 aa 3 aa 4 aa 5 aa n...
View Full Document

This note was uploaded on 02/24/2011 for the course CHEM 004 taught by Professor Zysmilich during the Spring '06 term at GWU.

Page1 / 4

Protein - All natural proteins are formed from the...

This preview shows document pages 1 - 4. Sign up to view the full document.

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