Chapter 21, Problem 162MP

(a)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given compound.

Answer to Problem 162MP

The correct statement that matches with the given compound is statement 17.

Explanation of Solution

Aldohexose is a six carbon aldehyde sugar with an aldehyde group on one end.

(b)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given compound.

Answer to Problem 162MP

The correct statement that matches with the given compound is statement 13.

Explanation of Solution

In saliva enzymes catalyzing the breakdown of glycosidic linkages are found.

(c)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given compound.

Answer to Problem 162MP

The correct statement that matches with the given compound is statement 15.

Explanation of Solution

Cellulose is the structural component of plants polymer of glucose.

(d)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement matched with the given compound.

Answer to Problem 162MP

The correct statement that matches with the given compound ${\text{CH}}_{\text{2}}\text{O}$ is statement 12.

Explanation of Solution

${\text{CH}}_{\text{2}}\text{O}$ is an empirical formula leading to the name carbohydrate.

(e)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given compound.

Answer to Problem 162MP

The correct statement that matches with the given compound Cysteine is statement 8.

Explanation of Solution

Cysteine is an amino acid responsible for permanent wave in hair.

(f)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given term.

Answer to Problem 162MP

The correct statement that matches with the term denaturation is statement 9.

Explanation of Solution

Denaturation is a breakdown of a proteins tertiary and secondary structure.

(g)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given compound.

Answer to Problem 162MP

The correct matching for disaccharides is statement 16.

Explanation of Solution

Disaccharides are sugars consisting of two monomer units.

(h)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement that matches with the given compound.

Answer to Problem 162MP

The correct statement that matches with disulfide is statement 2.

Explanation of Solution

Disulfide is a linkage that forms between two Cysteine species.

(i)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option globular is statement 4.

Explanation of Solution

Globular is a proteins with roughly spherical shape.

(j)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option glycogen is statement 10.

Explanation of Solution

Glycogen is an amino polymer of glucose.

(l)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option hydrophobic is statement 7.

Explanation of Solution

Hydrophobic is a water repelling amino acid side chain.

(m)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option ketohexoses is statement 14.

Explanation of Solution

Ketohexoses is a six carbon ketone sugars.

(n)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option oxytocin is statemen t 3.

Explanation of Solution

Oxytocin is a protein with roughly spherical milk secretion.

(o)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option pleated sheet is statement 6.

Explanation of Solution

Pleated sheet is a silk protein secondary structure.

(p)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option polypeptide is statement 1.

Explanation of Solution

Polypeptide is a polymer consisting of many amino acids.

(q)

Interpretation Introduction

Interpretation: The given terms are to be matched with the description given in the statements.

Concept introduction: Proteins are defined as the building block of amino acids. When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. Large number of amino acids linked through peptide bonds to form proteins. Carbohydrates are biomolecules of carbon, hydrogen and oxygen stored in the form of glucose in a body.

To determine: The correct statement for the given option.

Answer to Problem 162MP

The correct statement for the given option primary structure is statement 5.

Explanation of Solution

Primary structure is a sequence of amino acid in a protein.