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AS Proteins

QuestionAnswer
Basic units of polymers Monomers
Monomers of proteins Amino acids
Simplest amino acid Glycine
Amine group is... -NH2
Carboxyl Group is.... -COOH
The side chain is ... the R group
Primary structure is... The sequence of amino acids in a polypeptide chain
amino acids join together with a ..... bond peptide
The reaction with which two amino acids join is Condensation
The molecule that is lost when two amino acids join is... Water
Amino acids are separated by .... Hydrolysis
The molecule that is added to separate amino acids is... Water
Secondary structure has... Beta pleating and alpha helices
In secondary structure, the bonds that hold the shape are... Hydrogen bonds
Tertiary structure is... The polypeptide chain twisting so that the R groups can interact
R groups are polar if... There is a slight charge difference
water attracting = Hydrophilic
water repelling = Hydrophobic
Non polar areas will be Hydrophobic
Quaternary structure occurs when there is more than one polypeptide chain
The protein in hair is keratin
The protein that carries oxygen in the blood is Haemoglobin
A spherical protein is called Globular
WHich are soluble in water, globular or fibrous? Globular
An example of a fibrous protein is Keratin
Created by: carolannaston
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