BIOMOLECULES: Amino Acids and Proteins

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How many different amino acids are known to occur naturally?

8

12

Over 700 (correct)

20

What is the characteristic of Proline among the standard amino acids?

It is an essential amino acid that must be obtained from the diet

It has a cyclic side chain that incorporates the α-amino function (correct)

It has a side chain represented by R

It is not coded for in DNA-directed protein synthesis

How many of the standard amino acids are synthesized by the human body?

8

12 (correct)

20

15

What is the classification of amino acids based on?

The location of the amine group on the carbon chain Signup and view all the answers

What is the characteristic of Glycine among the standard amino acids?

It is Achiral Signup and view all the answers

What is the primary form of amino acids in strongly acidic solutions?

Cations Signup and view all the answers

At what pH do the concentrations of the anions and cations of an amino acid become equal?

At the isoelectric point Signup and view all the answers

What is the term for the form of an amino acid in which the carboxyl group is present as a carboxylate ion and the amino group is present as an aminium ion?

Zwitter ion Signup and view all the answers

How is the isoelectric point (pI) of an amino acid such as alanine calculated?

By taking the average of pKa1 and pKa2 Signup and view all the answers

What is the term for the pH at which an amino acid has no net charge?

Isoelectric pH Signup and view all the answers

BIOMOLECULES: Amino Acids and Proteins

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Questions and Answers

How many different amino acids are known to occur naturally?

What is the characteristic of Proline among the standard amino acids?

How many of the standard amino acids are synthesized by the human body?

What is the classification of amino acids based on?

What is the characteristic of Glycine among the standard amino acids?

What is the primary form of amino acids in strongly acidic solutions?

At what pH do the concentrations of the anions and cations of an amino acid become equal?

What is the term for the form of an amino acid in which the carboxyl group is present as a carboxylate ion and the amino group is present as an aminium ion?

How is the isoelectric point (pI) of an amino acid such as alanine calculated?

What is the term for the pH at which an amino acid has no net charge?

More Quizzes Like This

Amino Acid Metabolism & Protein Synthesis Quiz

Amino Acids Classification Quiz

Types of Amino Acids

Naturally Occurring Amino Acids Quiz

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BIOMOLECULES: Amino Acids and Proteins

Podcast Beta

Questions and Answers

How many different amino acids are known to occur naturally?

What is the characteristic of Proline among the standard amino acids?

How many of the standard amino acids are synthesized by the human body?

What is the classification of amino acids based on?

What is the characteristic of Glycine among the standard amino acids?

What is the primary form of amino acids in strongly acidic solutions?

At what pH do the concentrations of the anions and cations of an amino acid become equal?

What is the term for the form of an amino acid in which the carboxyl group is present as a carboxylate ion and the amino group is present as an aminium ion?

How is the isoelectric point (pI) of an amino acid such as alanine calculated?

What is the term for the pH at which an amino acid has no net charge?

More Quizzes Like This

Amino Acid Metabolism &amp; Protein Synthesis Quiz

Amino Acids Classification Quiz

Types of Amino Acids

Naturally Occurring Amino Acids Quiz

Amino Acid Metabolism & Protein Synthesis Quiz