Question 1

Give the product(s)for the following reaction.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 2

Why are nucleophiles more readily phosphorylated by ATP than by hydrogen phosphate?

Accepted Answer

Attack on ATP occurs more read

Question 3

In what three areas of the body does first stage catabolism primarily occur?

Accepted Answer

mouth, sto

Question 4

Draw the chair form of the compound that results when D-glucopyranose reacts with ATP in the presence of an enzyme that catalyzes the phosphorylation of the 6-OH group.

Accepted Answer

The answer of Draw the chair form of the compound...

Question 5

The C:H ratio present in most terpenes is ________.

Accepted Answer

A) 1:2 
B) 2:3 
C) 1:3 
D) 3:8 
E) 5:8 
A) 1:2 
B) 2:3 
C) 1:3 
D) 3:8 
E) 5:8

Question 6

Why does phosphorylating a carboxylate make it more susceptible to nucleophilic attack?

Accepted Answer

Phosphorylating a ca

Question 7

In the citric acid cycle, what type of intermediate occurs as succinyl-CoA is converted into succinate?

Accepted Answer

A) an acyl phosphate 
B) isocitrate 
C) a-ketoglutarate 
D) an aminophosphate 
E) an acyl radical 
A) an acyl phosphate 
B) isocitrate 
C) a-ketoglutarate 
D) an aminophosphate 
E) an acyl radical

Question 8

Which step of the b-oxidation pathway is a conjugate addition of water to the organic substrate?

Accepted Answer

The answer of Which step of the b-oxidation pathway is...

Question 9

Each passage through the b-oxidation pathway removes ________ carbons from the fatty acyl-CoA.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 6 
E) 8 
A) 2 
B) 3 
C) 4 
D) 6 
E) 8

Question 10

In the rod cells of the eye, retinol (vitamin
A)can be oxidized and then isomerized into an aldehyde and a cis double bond at C-11 to form a molecule called 11Z-retinal. Propose a structure for 11Z-retinal.

Accepted Answer

The answer of In the rod cells of the eye,...

Question 11

What coenzyme is required to facilitate the conversion of glycerol-3-phosphate into dihydroxyacetone?

Accepted Answer

The answer of What coenzyme is required to facilitate the...

Question 12

What compounds are formed when a carboxylate is phosphorylated by the attack at the b-phosphorus of ATP?

Accepted Answer

an acyl py

Question 13

In the first stage of catabolism, carbohydrates are hydrolyzed to ________.

Accepted Answer

The answer of In the first stage of catabolism, carbohydrates...

Question 14

In glycolysis, each molecule of glucose is converted to two molecules of ________.

Accepted Answer

A) pyruvate 
B) acetaldehyde 
C) 1,3-dihydroxyacetone 
D) acetyl-CoA 
E) glycerol 
A) pyruvate 
B) acetaldehyde 
C) 1,3-dihydroxyacetone 
D) acetyl-CoA 
E) glycerol

Exam 25: The Chemistry of Metabolism

Give the product(s)for the following reaction.

Why are nucleophiles more readily phosphorylated by ATP than by hydrogen phosphate?

In what three areas of the body does first stage catabolism primarily occur?

Draw the chair form of the compound that results when D-glucopyranose reacts with ATP in the presence of an enzyme that catalyzes the phosphorylation of the 6-OH group.

The C:H ratio present in most terpenes is ________.

Why does phosphorylating a carboxylate make it more susceptible to nucleophilic attack?

In the citric acid cycle, what type of intermediate occurs as succinyl-CoA is converted into succinate?

Which step of the b-oxidation pathway is a conjugate addition of water to the organic substrate?

Each passage through the b-oxidation pathway removes ________ carbons from the fatty acyl-CoA.

In the rod cells of the eye, retinol (vitamin A)can be oxidized and then isomerized into an aldehyde and a cis double bond at C-11 to form a molecule called 11Z-retinal. Propose a structure for 11Z-retinal.

What coenzyme is required to facilitate the conversion of glycerol-3-phosphate into dihydroxyacetone?

What compounds are formed when a carboxylate is phosphorylated by the attack at the b-phosphorus of ATP?

In the first stage of catabolism, carbohydrates are hydrolyzed to ________.

In glycolysis, each molecule of glucose is converted to two molecules of ________.

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters