Exam 20: Carbohydrates

Molecules such as erythrose and threose,which are stereoisomers but not mirror images,are referred to as a pair of ________.d- and l-threose are mirror images and are referred to as a pair of ________.

Mutarotation is process where

Which monosaccharide listed is used in the backbone of DNA?

Fructose is similar to glucose and galactose in all of the following aspects except

A possible diasteromer of this carbohydrate is

The reaction in which a disaccharide is broken down into its component monosaccharides is

A sugar is classified as a d-isomer if the hydroxyl group on the

A sugar is classified as an l-isomer if the hydroxyl group on the

Match the following. -anomers

The conversion of cyclic glucose between the alpha form and the beta form is called

Two isomeric sugars that are cyclic and only differ in the position of the -OH group attached to the hemiacetal carbon are called

Draw the cyclic hemiacetal Haworth structures for α and β anomers of d-talose.

Describe the similarities and differences in the structures of the two polysaccharides that comprise starch.Make sure you state their names and what type of linkage holds the monomer units together.

Which molecule shown is an l-isomer?

Draw the α and β anomers that result from the reaction between glucose and methanol.

The bond connecting the two monosaccharides in sucrose is a(an)________ linkage.

The enantiomer of this carbohydrate is

________ of glucose leads to gluconic acid.

Match the following. -lactose

Cellulose is produced by ________,and its major function is ________.