Question 1

Draw the structure of deoxyguanosine.

Accepted Answer

The answer of Draw the structure of deoxyguanosine....

Question 2

Treatment of a monosaccharide with silver oxide and excess methyl iodide will:

Accepted Answer

A)  methylate all hydroxyl groups present. 
B)  cleave the sugar between C5 and C6. 
C)  cleave the sugar between C1 and C6. 
D)  methylate only the hydroxyl at C1. 
E)  form the disaccharide. 
A)  methylate all hydroxyl groups present. 
B)  cleave the sugar between C5 and C6. 
C)  cleave the sugar between C1 and C6. 
D)  methylate only the hydroxyl at C1. 
E)  form the disaccharide.

Question 3

What is/are the major products of the following reaction?

Accepted Answer

A)  D-glucose and D-galactose 
B)  D-ribose 
C)  L-ribose and L-arabinose 
D)  L-fructose and D-arabinose 
E)  none of the above 
A)  D-glucose and D-galactose 
B)  D-ribose 
C)  L-ribose and L-arabinose 
D)  L-fructose and D-arabinose 
E)  none of the above

Question 4

When pure α-D-glucopyranose is dissolved in water, the optical rotation of the resulting solution changes over a period of time. What is the name of this phenomenon and why does it occur?

Accepted Answer

The phenomenon is called mutar

Question 5

Provide the structure of the major organic product which results when methyl β-D-glucopyranoside is treated with excess acetic anhydride in pyridine.

Accepted Answer

The answer of Provide the structure of the major organic...

Draw the structure of deoxyguanosine.

Treatment of a monosaccharide with silver oxide and excess methyl iodide will:

What is/are the major products of the following reaction?

When pure α-D-glucopyranose is dissolved in water, the optical rotation of the resulting solution changes over a period of time. What is the name of this phenomenon and why does it occur?

Provide the structure of the major organic product which results when methyl β-D-glucopyranoside is treated with excess acetic anhydride in pyridine.

Introduction and Review

Structure and Properties of Organic Molecules

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides: Nucleophilic Substitution and Elimination

Structure and Synthesis of Alkenes

Reactions of Alkenes

Alkynes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Exam 23: Carbohydrates and Nucleic Acids

Draw the structure of deoxyguanosine.

Treatment of a monosaccharide with silver oxide and excess methyl iodide will:

What is/are the major products of the following reaction?

When pure α-D-glucopyranose is dissolved in water, the optical rotation of the resulting solution changes over a period of time. What is the name of this phenomenon and why does it occur?

Provide the structure of the major organic product which results when methyl β-D-glucopyranoside is treated with excess acetic anhydride in pyridine.

Introduction and Review

Structure and Properties of Organic Molecules

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides: Nucleophilic Substitution and Elimination

Structure and Synthesis of Alkenes

Reactions of Alkenes

Alkynes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters