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Amino Acids and Peptides

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Questions and Answers

Which of the following is true about the structure of amino acids in proteins?

Amino acids in proteins have three-letter designations.

Amino acids in proteins have no specific designations.

Amino acids in proteins have both three-letter and one-letter designations. (correct)

Amino acids in proteins have one-letter designations.

What is the primary contribution of the R groups of protein amino acids to their chemical properties?

R groups determine the size of amino acids.

R groups determine the solubility of amino acids. (correct)

R groups determine the shape of amino acids.

R groups determine the pH of amino acids.

Which of the following is a key function of amino acids?

Amino acids regulate body temperature.

Amino acids provide energy for the body.

Amino acids aid in digestion.

Amino acids support muscle growth. (correct)

How can certain amino acids in plant seeds impact human health?

Certain amino acids in plant seeds can cause allergies. Signup and view all the answers

What is the approximate pKa value of ionizable groups in free amino acids in aqueous solution?

pKa value of 7 Signup and view all the answers

Which of the following is true about the primary structure of peptides?

It refers to the unique sequence of amino acids in a protein. Signup and view all the answers

What is the change in pH that occurs following the addition of a given quantity of strong acid or alkali to an unbuffered aqueous solution of a polyfunctional amino acid?

It cannot be calculated without additional information. Signup and view all the answers

What is the approximate pKa value of the ionizable groups of protein amino acids as free amino acids in aqueous solution?

6-8 Signup and view all the answers

What are the three-letter and one-letter designations for the amino acid alanine?

ALA, A Signup and view all the answers

What is the primary contribution of the R groups of protein amino acids to their chemical properties?

They determine the charge of the amino acid. Signup and view all the answers

Amino Acids and Peptides

Choose a study mode

Podcast

Questions and Answers

Which of the following is true about the structure of amino acids in proteins?

What is the primary contribution of the R groups of protein amino acids to their chemical properties?

Which of the following is a key function of amino acids?

How can certain amino acids in plant seeds impact human health?

What is the approximate pKa value of ionizable groups in free amino acids in aqueous solution?

Which of the following is true about the primary structure of peptides?

What is the change in pH that occurs following the addition of a given quantity of strong acid or alkali to an unbuffered aqueous solution of a polyfunctional amino acid?

What is the approximate pKa value of the ionizable groups of protein amino acids as free amino acids in aqueous solution?

What are the three-letter and one-letter designations for the amino acid alanine?

What is the primary contribution of the R groups of protein amino acids to their chemical properties?

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