Carbohydrates Structure and Classification
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Questions and Answers

Raffinose and Stachyose are examples of ________.

oligosaccharides

The OH-group in malt beverages can be reactive and is termed as a ________ sugar.

reducing

Bacteria in the intestines use Raffinose and Stachyose and produce ________.

gas

The structure of Raffinose consists of Galactose, Glucose, and ________.

<p>Fructose</p> Signup and view all the answers

D-Fructose has a relative sweetness of ________ compared to sucrose.

<p>175</p> Signup and view all the answers

Sucrose is composed of ______ and fructose

<p>glucose</p> Signup and view all the answers

The primary carbohydrate source for developing mammals is ______

<p>lactose</p> Signup and view all the answers

The bond in sucrose is formed between the anomeric carbons of Glucose and Fructose, rendering the sugar a ______ sugar

<p>non-reducing</p> Signup and view all the answers

Lactose is a ______ sugar

<p>reducing</p> Signup and view all the answers

The enzyme responsible for hydrolyzing lactose is ______

<p>lactase</p> Signup and view all the answers

Maltose forms from the breakdown of starch during malting of grains, and is composed of 2 units of ______

<p>glucose</p> Signup and view all the answers

The structure of glucose can be represented in one of the following ways: 1.The straight – chain (open ‐ chain) structural formula : Aldohexose can account for some of the properties of glucose, but can not explain some reaction D-______

<p>glucose</p> Signup and view all the answers

D-______ Monosaccharides are the simplest carbohydrates, aldehydes or ketones with two or more hydroxyl groups

<p>glucose</p> Signup and view all the answers

The smallest monosaccharides are trioses (n = 3), which have a ______ group

<p>keto</p> Signup and view all the answers

Glyceraldehyde has 1 asymmetric C, thus, 2 stereoisomers (D- & L-), are ______

<p>enantiomers</p> Signup and view all the answers

Fischer Projections show stereochemical relations: Horizontal bonds; in front of page plane Vertical bonds; behind plane. D-Aldoses have an aldehyde group in ______ color

<p>blue</p> Signup and view all the answers

D-Ketoses (3,4,5, & 6 carbons) have a Keto group in ______ color

<p>blue</p> Signup and view all the answers

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