DHN 101 Exam 2
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