DHN 101 Exam 2

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Lactose-containing foods fall into which food category?

Dairy

List the two general categories of carbohydrates.

Simple and complex

Maltose (malt sugar)

a disaccharide composed of two glucose molecules

Disaccharide

a simple sugar that has two monosaccharides linked (bonded) together

Select all of the terms that describe food additives that sweeten but provide few or no calories per serving.

alternative sweeteners, artificial sweeteners

Identify the major function of carbohydrate in the body.

Being a source of energy

Which of the following components is often missing from refined grain products?

Bran seed

Disaccharides form as a result of ______ .

condensation reactions

What are some major dietary disaccharides?

maltose, sucrose, and lactose

Simple carbohydrates include ________ , which contain only one sugar unit, and ________, which contain two sugar units bonded together.

monosaccharides and disaccharide

Individuals with diabetes should follow a carbohydrate-free diet. (T or F)

False

Is milk a natural source of sucrose?

No

_____ -unsaturated fatty acids contain two or more carbon-carbon double bonds.

Poly

Digestion of starch begins in the mouth. (T or F)

True

Eating a high-fiber diet can improve the functioning of the large intestine and reduce blood cholesterol levels. (T or F)

True

The carbohydrate found in milk is called lactose. (T or F)

True

sucrose occurs naturally in

honey, maple syrup, carrots and pineapples

List the chemical names for blood sugar, table sugar, milk sugar, & malt sugar

glucose, sucrose, lactose, maltose

A _______ fatty acid is completely filled with hydrogen atoms.

saturated

nutritive sweeteners

substances that sweeten and contribute energy to foods

Much of the sucrose in the American diet is refined from

sugar cane and sugar beets

Added sugars (such as sucrose and HFCS)

sugars added to food during processing or preparation

Lactose (milk sugar)

A disaccharide composed of a glucose and a galactose molecule. - Carb found in milk, yogurt, and cheese.

Ounce per ounce, sugar provides more energy than starch. (T or F)

False

What two monosaccharides are components of the milk sugar lactose?

Galactose and Glucose

Which two monosaccharides are components of the milk sugar lactose?

Glucose, fructose, and galactose

What do plants need to make carbohydrates?

Made by using sun's energy to combine carbon, oxygen, and hydrogen from carbon dioxide and water

Sucrose (table sugar)

a disaccharide composed of a glucose and a fructose molecule

An _______ __________ holds the two monosaccharides together in sucrose and maltose.

alpha bond

Alternative sweetness (also referred to as sugar substitutes or "artificial" sweeteners)

are substances added to food that sweeten the item while providing few or no kcal.

A ________ ________ holds together the two monosaccharides that form lactose.

beta bond

A fatty acid is comprised of a ________ chain, which is a chain of carbon atoms bonded to each other and to hydrogen atoms.

hydrocarbon

Which of the following must be present in a food labeled "whole grain"?

the starchy endosperm, oily germ, and fiber-rich bran seed components in the same relative proportions as they exist in the intact grain

A(n) _______ fatty acid has fewer bonds to share with hydrogen molecules because of the double bonds.

unsaturated


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