Concept explainers
(a)
Interpretation: The validation of the given statement about proteins has to be stated.
Concept introduction: Proteins on hydrolysis are broken down into smaller fragments known as amino acids. They are required by the human body for various biochemical purposes.
(b)
Interpretation: The validation of the given statement about proteins has to be stated.
Concept introduction: Proteins on hydrolysis are broken down into smaller fragments known as amino acids. They are required by the human body for various biochemical purposes.
(c)
Interpretation: The validation of the given statement about proteins has to be stated.
Concept introduction: Proteins on hydrolysis are broken down into smaller fragments known as amino acids. They are required by the human body for various biochemical purposes.
(d)
Interpretation: The validation of the given statement about proteins has to be stated.
Concept introduction: Proteins on hydrolysis are broken down into smaller fragments known as amino acids. They are required by the human body for various biochemical purposes.
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GENERAL,ORGANIC,+BIO.CHEM.-MINDTAP
- Which of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.arrow_forwardWhat element is always present in proteins that is seldom present in carbohydrates and lipids?arrow_forwardWhat functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?arrow_forward
- In a pleated sheet secondary structure for a protein a. describe the general shape of the protein backbone b. describe the general locations for the amino acid R groupsarrow_forwardTwo proteins with the same amino acid composition do not have to have the same primary structure. Explain why.arrow_forwardWhat characteristics indicate that amino acids exist as zwitterions?arrow_forward
- Which of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH) group of one amino acid and the amino (RCNH2) group of another? a.The bond is called a peptide bond. b.It is formed by inserting a water molecule between them. c.It is formed by a dehydration reaction. d.A polypeptide has more of these bonds than a protein.arrow_forwardApproximately how many different proteins are present in a typical human cell?arrow_forwardAt room temperature, amino acids are solids with relatively high decomposition points. Explain why.arrow_forward
- In what way is the structure of glycine different from that of the other 19 common amino acids?arrow_forwardWhich is NOT a characteristic of proteins? a. They contain genetic information. b. They can act as hormones. c. They can catalyze chemical reactions. d. They act in cell membrane trafficking.arrow_forwardGive an example of amino acids that could give rise to the interactions pictured in Fig. 21-24 that maintain the tertiary structures of proteins.arrow_forward
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