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Carbohydrates: Classification and Types

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Questions and Answers

What is the main difference between starch and cellulose?

Starch is digestible while cellulose is not (correct)

Cellulose is used to produce beer

Starch is found in plant cell walls

Cellulose is a disaccharide

What is the smallest unit of carbohydrate?

Disaccharide

Oligosaccharide

Monosaccharide (correct)

Polysaccharide

Which of the following is NOT a function of fructose?

Sweetest sugar

Used in production of beer

Provides energy

Repeating unit in starch (correct)

What is the primary reason why some people are unable to digest lactose?

They lack the enzyme to break down lactose Signup and view all the answers

What is the purpose of starch in the body?

Provides energy Signup and view all the answers

Why can cows digest cellulose but not humans?

Cows have different enzymes in their digestive system Signup and view all the answers

What is the approximate energy yield of carbohydrates per gram?

4 Signup and view all the answers

Which of the following foods has the highest water content?

Watermelon Signup and view all the answers

What is the primary function of water in cooking foods?

Acts as a solvent Signup and view all the answers

What is the energy yield of lipids per gram?

9 Signup and view all the answers

Why are carbohydrates in fiber not absorbed by the human body?

They are not digested by human enzymes Signup and view all the answers

What type of bonds are found in cellulose, a polysaccharide?

α glycosidic bonds Signup and view all the answers

What is the primary function of saturated fatty acids in food?

To provide energy Signup and view all the answers

What is the result of combining two incomplete-protein foods that supply the amino acids missing in each other?

A complete protein profile Signup and view all the answers

What is the common structure shared by all amino acids?

A carbon with 3 groups attached to it Signup and view all the answers

What is a characteristic of complete proteins?

They contain all essential amino acids Signup and view all the answers

What is the function of lipids in food that contributes to the feeling of fullness?

Satiety Signup and view all the answers