Match the Fiber with an Appropriate Description

question 24

Multiple Choice

Match the fiber with an appropriate description.
-gum

• A)The main noncarbohydrate component of fiber and a three-dimensional polymer of phenol.Found in carrots,berries,and wheat,and insoluble in water.
• B)A hydrocolloid composed of sugar and sugar derivatives commonly used as a food additive that is secreted from plant injuries or can also be found in oats,barley,and legumes.
• C)A long linear polymer that provides structure to the cell wall.Found in bran,legumes,root vegetables,and apples.
• D)Contains a number of sugars in its backbone and side chains.Some are water soluble and some are insoluble; found in bran and whole grains.
• E)A group of polysaccharides with galacturonic acid as a primary constituent.It is soluble and gel forming; plentiful in many fruits.

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Definitions:

Starting Concentrations

The initial amounts of reactants in a chemical reaction, usually expressed in molarity or mass.

ΔG°

The standard Gibbs free energy change, indicating the spontaneity of a reaction under standard conditions.

% Conversion

A measure of the efficiency of a chemical reaction, denoting the percentage of reactants that have turned into products.

Substitution Reaction

A type of chemical reaction where one atom or group of atoms in a molecule is replaced by another atom or group of atoms.