Proteins Flashcards
Why do we need proteins?
For growth and repair
What are the two types of proteins?
globular and fibrous
What is the amino group?
NH2
What is the name for amino acids that cannot be made by the body?
essential amino acids
What type of bonds will form between the substrate and the functional groups at the active site?
intermolecular
Name 2 types of fibrous proteins.
Keratins, Collagens
Name 2 types of globular proteins.
Enzymes, Haemoglobin.
What 2 functional groups do amino acids contain?
amino group and carboxyl group
What 4 elements do all amino acids contain?
oxygen, hydrogen, carbon, nitrogen.
What type of reaction is making a protein?
condensation
When amino acids join together what functional group is formed?
amide link (peptide link)
When a protein is made, what else is produced?
water
What is a chain of amino acids also known as?
polypeptide
What is meant by a hydrolysis reaction?
large molecules are broken down into smaller molecules by the reaction with water which are soluble.
How do amino acids join together?
the amino group on one amino acid and the carboxyl group on a neighbouring amino acid join together.
