17 Questions
What is the main difference between starch and cellulose?
Starch is digestible while cellulose is not
What is the smallest unit of carbohydrate?
Monosaccharide
Which of the following is NOT a function of fructose?
Repeating unit in starch
What is the primary reason why some people are unable to digest lactose?
They lack the enzyme to break down lactose
What is the purpose of starch in the body?
Provides energy
Why can cows digest cellulose but not humans?
Cows have different enzymes in their digestive system
What is the approximate energy yield of carbohydrates per gram?
4
Which of the following foods has the highest water content?
Watermelon
What is the primary function of water in cooking foods?
Acts as a solvent
What is the energy yield of lipids per gram?
9
Why are carbohydrates in fiber not absorbed by the human body?
They are not digested by human enzymes
What type of bonds are found in cellulose, a polysaccharide?
α glycosidic bonds
What is the primary function of saturated fatty acids in food?
To provide energy
What is the result of combining two incomplete-protein foods that supply the amino acids missing in each other?
A complete protein profile
What is the common structure shared by all amino acids?
A carbon with 3 groups attached to it
What is a characteristic of complete proteins?
They contain all essential amino acids
What is the function of lipids in food that contributes to the feeling of fullness?
Satiety
This quiz covers the different types of carbohydrates, including monosaccharides, disaccharides, oligosaccharides, and polysaccharides. It also explores their structures and functions, including glucose, fructose, and galactose.
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