10 Questions
What is the characteristic element of proteins?
Nitrogen
How many commonly occurring amino acids are there?
20
What does the term 'alpha amino acids' refer to?
Amino acids with the amino group attached to the same carbon atom as the carboxyl group
Which element is a minor constituent of proteins?
Sulfur
How much of the total dry body weight is made up of proteins?
Three quarters
Which type of amino acid group does not contain proline?
Heterocyclic
Which amino acid is not found in proteins?
Ornithine
Which type of amino acid group includes Phenylalanine, Tyrosine, and Tryptophan?
Aromatic
Which amino acid type comprises Valine, Leucine, and Isoleucine?
Aliphatic
Which amino acid type is known for its OH-Pro and OH-Lys variations found in proteins?
Hydroxy containing
Test your knowledge of amino acids and proteins with this quiz by Dr. Bakhtiar Muhialdin Ahmed. Learn about the importance of proteins in biological systems and the potential impact of abnormal protein structures on metabolic functions.
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