5 Questions
What functional group does an amino group contain?
Nitrogen and two hydrogen atoms
How many stereoisomers of amino acids are there?
Two
Which carbon is the amino group attached to in 𝛼-amino acids?
The carbon adjacent to the carboxyl group
How many amino acids are found in proteins?
20
What gives the identity to an amino acid?
The side chain group, R
Study Notes
Amino Acids
- An amino group (-NH2) is a functional group that contains nitrogen and hydrogen atoms bonded together.
- There are 2n possible stereoisomers of amino acids, where n is the number of asymmetric carbon atoms.
- In 𝛼-amino acids, the amino group is attached to the 𝛼-carbon (first carbon).
- There are 20 different amino acids that are commonly found in proteins.
- The identity of an amino acid is determined by its side chain (R group), which varies among different amino acids.
Test your knowledge of biochemistry with this quiz on amino acids and peptides. Explore the structure, properties, ionization, and physiological activity of peptides, including 𝛼-amino acids and peptide bonds. Perfect for students of physical therapy and biochemistry enthusiasts.
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