To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false. Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain. There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

Question

Want to see the full answer?

Answer 1

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Overview of Transformation Protocol -Prepare competent bacteria for transformation: Treat starter E. coli bacteria with CaCl2and Competent Cell Solution (CCS). Store on ice until transformation procedure. Competent cells are cells that are likely to take up foreign DNA and be transformed. This step increases the likelihood that the E. coli cells will take up the introduced vector and be transformed. -Transformation procedure: Obtain two microcentrifuge tubes containing your competent cells. Label one tube +DNA and one -DNA. Add CaCl2 to both tubes. Add the transformation mix containing the plasmid DNA to the tube labeled +DNA. Do not add any plasmid DNA to the -DNA tube. Incubate both tubes on ice for 10 minutes. Then, place both tubes in a 42\deg C water bath for 45 seconds. Replace the tubes in an ice bucket for 2 minutes. Add recovery broth to both tubes. Incubate both tubes in a 37 C water bath for 5 minutes. Questions: 1)What is the selectable marker in this experiment? How…

Based on your results, which suspect's DNA best matches the DNA found at the crime scene?

In oxidase test with Pseudomonas aeruginosa, the cell cultures on the slide turn colorless to be purple after tetra-methyl-p-phenylenediamine dihydrochloride (TMPD) is added. In the reaction, OTMPD is electron acceptor O cytochrome c is the electron source oxygen is terminal electron acceptor OH2 produced is electron donor

Answer 2

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Answer 6

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

Answer 7

Chapter 26, Problem 26.105EP

(a)

Interpretation Introduction

Interpretation: To identify whether the statement “four of the 20 standard amino acids contain sulfur” concerning sulfur-containing amino acids is true or false.

Concept introduction: Amino acids are the biomolecules which contain an amino group, carboxylic acid group, and an alkyl chain. Amino acids are the main building block of protein molecules. A large number of amino acids condense together to form a polypeptide chain.

There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.

Answer 8

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

Answer 9

(b)

Interpretation Introduction

Interpretation: To identify whether the statement “the first step in the degradation of the amino acid cysteine is a transamination reaction” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

Answer 10

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

Answer 11

(c)

Interpretation Introduction

Interpretation: To identify whether the statement “pyruvate is the sulfur-containing product from the degradation of the amino acid cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. These are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, alanine, asparagines, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Only two of the twenty amino acids have a sulfur atom in their structure. The two amino acids are cysteine and methionine. The structure of cysteine is:

Cysteine gives pyruvate as the degradation product. The degradation of cysteine is a two-step process.

Answer 12

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Answer 13

(d)

Interpretation Introduction

Interpretation: To identify whether the statement “ATP is the activating agent in the first step of the conversion of serine to cysteine” concerning sulfur-containing amino acids is true or false.

Concept introduction: There are 20 amino acids present in nature. Only two of the twenty amino acids have a sulfur atom in their structure. Cysteine is biosynthesized from nonessential amino acid serine. The structure of cysteine is:

The structure of serine is:

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 17

Ch. 26.1 - Which of the following statements about dietary...Ch. 26.1 - Dietary protein materials as they leave the...Ch. 26.1 - The inactive form of pepsin is converted to its...Ch. 26.1 - Which of the following is not a proteolytic...Ch. 26.2 - The dominant use for the amino acids of the amino...Ch. 26.2 - The most abundant amino acid in the amino acid...Ch. 26.2 - Prob. 3QQ Ch. 26.3 - Prob. 1QQ Ch. 26.3 - Prob. 2QQ Ch. 26.3 - The net effect of transamination is to collect the...

Solution Summary: The author analyzes whether the statement "four of the 20 standard amino acids contain sulfur" is true or false.

Concept explainers

Videos

Want to see the full answer?

Chapter 26 Solutions