Amino Acids Classification Basics

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Which classification system categorizes amino acids based on whether they carry a positive or negative charge?

Nutritional classification

Chemical classification (correct)

Structural classification

Metabolic classification

Which amino acid is classified as a 'basic' amino acid due to carrying a positive charge?

Valine

Cysteine

Methionine

Histidine (correct)

In the general structure of amino acids, what does 'R' represent?

Reactive group

Radical group (correct)

Regenerative chain

Ribose chain

How many essential amino acids are there according to the nutritional classification?

8 Signup and view all the answers

What distinguishes essential amino acids from non-essential amino acids?

Non-essential amino acids are synthesized in the body. Signup and view all the answers

Which classification of amino acids is based on whether they are glucogenic, ketogenic, or a mix of both?

Metabolic classification Signup and view all the answers

Which of the following statements about proteins is NOT true?

Proteins are always composed of an equal number of amino acids. Signup and view all the answers

Which of the following amino acids is classified as a pure ketogenic amino acid?

Leucine Signup and view all the answers

What is the general structure of a peptide bond that connects amino acids in a protein?

-CO-NH- Signup and view all the answers

Which of the following amino acids is classified as a mixed glucogenic and ketogenic amino acid?

Tyrosine Signup and view all the answers

What is the classification of amino acids based on their metabolic fate?

Ketogenic, glucogenic, and mixed Signup and view all the answers

Which of the following amino acids is classified as a pure glucogenic amino acid?

Aspartic acid Signup and view all the answers

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. Signup and view all the answers

Which of the following is the correct chemical classification of amino acids based on their side chains?

Aromatic, aliphatic, basic, and acidic. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

Which of the following statements about the definition of proteins is correct?

Proteins are macromolecules composed of amino acids linked by peptide bonds. Signup and view all the answers

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. Signup and view all the answers

Amino Acids Classification Basics

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