Proteins Flashcards
What are the proteins made of?
amino acids
Amino acids combine to form what?
a polypeptide (polymer)
What do polypeptides combine to make?
proteins
amino acids combine to make … which combine to make …
amino acids combine to make polypeptides which combine to make proteins
How many amino acids naturally occur in proteins?
20
The fact that 20 amino acids occur in all living organisms provides indirect evidence for …
evolution.
What’s the general formula for amino acids?
NH2.RCH.COOH
What is the R group?
The R-group is a variety of different chemical groups.
Each amino acid has a different R group.
The 20 naturally occurring amino acids differ only by the R group.
Amino acid monomers can combine to form a …
dipeptide
How are dipeptides formed?
Through the removal of water in a condensation reaction.
How is water made/removed in a condensation reaction when forming a dipeptide?
Water is made by combining an -OH from the carboxyl group with a -H from the amino acid of another amino acid.
What bond is present in a protein?
a peptide bond.
Where does a peptide bond form?
between the C atom of 1 amino acid and the N atom of another amino acid.
