Chapter 4-Protein Flashcards
Polypeptides consist of______ linked by a _____
-Amino Acids, Peptide bond
The peptide bond is also called an _________
-Amide bond
Each amino acid in a protein is called _______
-Residue
Which end of the polypeptide chain is taken as the beginning of the chain
-The Amino terminal end
Which end of the polypeptide chain is taken as the end of the chain
-The carboxyl terminal end
Disulfide bonds form by the oxidation of two _______
-Cystines
Secondary Structure is the ___________structure formed by __________between ________and ___ groups of amino acids
-3D,Hydrogen bonds peptide NH,CO
Each turn of the Alpha Helix is made of ___amino acids
-3.6
What is the Alpha Helix stabilized by ?
-Intrachain of Hydrogen Bonds
What is the Beta Sheets stabilized by ?
-Hydrogen bonding between polypeptide strands
Beta Sheets are formed by ________ beta strands
-Adjacent
What type of bonds link the strands in Beta sheets?
-Hydrogen Bonds
The strands of a Beta sheet may be, ______,________,or______
parallel ,antiparallel ,mixed
Fibrous Proteins provide _________ for cells and tissues
-Structural Support
what type of protein is a collagen?
Structural Protein