The heptapeptide sequence of amino acids, on the basis of the information provided, is to be deduced. Concept introduction: On treating a polypeptide with 2,4-dinitrofluorobenzene in basic solution, the free amino group of the N-terminal gives a nucleophilic aromatic substitution reaction, which, on hydrolysis, gives a mixture of amino acids in which the N-terminal amino acid is labeled with a 2,4-dinitrophenyl group. The C-terminal residues are identified through the carboxypeptidase enzymes. These enzymes catalyze the hydrolysis of the amide bond of the amino acid residue containing a free liberating carboxylic acid group.

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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 24, Problem 23P

Interpretation Introduction

Interpretation:

The heptapeptide sequence of amino acids, on the basis of the information provided, is to be deduced.

Concept introduction:

On treating a polypeptide with 2,4-dinitrofluorobenzene in basic solution, the free amino group of the N-terminal gives a nucleophilic aromatic substitution reaction, which, on hydrolysis, gives a mixture of amino acids in which the N-terminal amino acid is labeled with a 2,4-dinitrophenyl group. The C-terminal residues are identified through the carboxypeptidase enzymes. These enzymes catalyze the hydrolysis of the amide bond of the amino acid residue containing a free liberating carboxylic acid group.

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3. Titanium(III) chloride can be used to catalyze the polymerization of ethylene. It is prepared by hydrogen reduction of Titanium(IV) chloride. Reaction of hydrogen gas with titanium(IV) chloride gas produces solid titanium(III) chloride and hydrogen chloride gas. (a) Write a BALANCED chemical reaction for the preparation of titanium(III) chloride (b) A 250 L reaction vessel at 325°C is filled with hydrogen gas to a pressure of 1.3 atm. Titanium(IV) chloride is then added to bring the total pressure to 3.00 atm. How many grams of titanium(III) chloride will be produced after completion of the reaction? (c) What will be the pressure of the resulting hydrogen chloride gas that is also produced?

Answer 2

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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 24, Problem 23P

Interpretation Introduction

Interpretation:

The heptapeptide sequence of amino acids, on the basis of the information provided, is to be deduced.

Concept introduction:

On treating a polypeptide with 2,4-dinitrofluorobenzene in basic solution, the free amino group of the N-terminal gives a nucleophilic aromatic substitution reaction, which, on hydrolysis, gives a mixture of amino acids in which the N-terminal amino acid is labeled with a 2,4-dinitrophenyl group. The C-terminal residues are identified through the carboxypeptidase enzymes. These enzymes catalyze the hydrolysis of the amide bond of the amino acid residue containing a free liberating carboxylic acid group.

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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 24, Problem 23P

Interpretation Introduction

Interpretation:

The heptapeptide sequence of amino acids, on the basis of the information provided, is to be deduced.

Concept introduction:

On treating a polypeptide with 2,4-dinitrofluorobenzene in basic solution, the free amino group of the N-terminal gives a nucleophilic aromatic substitution reaction, which, on hydrolysis, gives a mixture of amino acids in which the N-terminal amino acid is labeled with a 2,4-dinitrophenyl group. The C-terminal residues are identified through the carboxypeptidase enzymes. These enzymes catalyze the hydrolysis of the amide bond of the amino acid residue containing a free liberating carboxylic acid group.

Expert Solution & Answer

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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 24, Problem 23P

Interpretation Introduction