18 Questions
Which classification system categorizes amino acids based on whether they carry a positive or negative charge?
Chemical classification
Which amino acid is classified as a 'basic' amino acid due to carrying a positive charge?
Histidine
In the general structure of amino acids, what does 'R' represent?
Radical group
How many essential amino acids are there according to the nutritional classification?
8
What distinguishes essential amino acids from non-essential amino acids?
Non-essential amino acids are synthesized in the body.
Which classification of amino acids is based on whether they are glucogenic, ketogenic, or a mix of both?
Metabolic classification
Which of the following statements about proteins is NOT true?
Proteins are always composed of an equal number of amino acids.
Which of the following amino acids is classified as a pure ketogenic amino acid?
Leucine
What is the general structure of a peptide bond that connects amino acids in a protein?
-CO-NH-
Which of the following amino acids is classified as a mixed glucogenic and ketogenic amino acid?
Tyrosine
What is the classification of amino acids based on their metabolic fate?
Ketogenic, glucogenic, and mixed
Which of the following amino acids is classified as a pure glucogenic amino acid?
Aspartic acid
Which of the following statements about the general structure of amino acids is correct?
Amino acids have a central carbon atom bonded to an amino group, a carboxyl group, and a variable side chain.
Which of the following is the correct chemical classification of amino acids based on their side chains?
Aromatic, aliphatic, basic, and acidic.
Which of the following statements about the nutritional classification of amino acids is correct?
Essential amino acids are those that cannot be synthesized by the human body, while non-essential amino acids can be synthesized.
Which of the following statements about the metabolic classification of amino acids is correct?
Both glucogenic and ketogenic amino acids can be converted to glucose and ketone bodies, respectively.
Which of the following statements about the definition of proteins is correct?
Proteins are macromolecules composed of amino acids linked by peptide bonds.
Which of the following statements about the general structure of proteins is correct?
Proteins can have a linear, globular, or fibrous structure, depending on their specific amino acid sequence.
Learn about the general structure of amino acids and the different classifications including chemical, nutritional, and metabolic classification. Understand the composition of amino acids and the significance of each group or chain in their structure.
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