CH 27 Carbohydrates Part 1

What are carbohydrates primarily used for?

• DNA replication

• Enzyme activity

• Structural support

• Energy

Which of the following is NOT a class of carbohydrates?

• Aminosaccharides

• Polysaccharides

• Disaccharides

• Monosaccharides

What is a monosaccharide?

• A type of disaccharide

• A simple sugar that cannot be hydrolyzed

• A complex carbohydrate

• A carbohydrate that can be hydrolyzed into simpler units

Which of the following is an example of a monosaccharide?

• Sucrose

• Cellulose

• Glucose

• Lactose

What do disaccharides yield upon hydrolysis?

• Amino acids

• Two monosaccharides

• Fatty acids

• Glycerol

Which of the following is a characteristic of monosaccharides and disaccharides?

• Water-soluble and sweet

• Insoluble in water

• Large molar masses

• Taste bitter

How many monosaccharide units does an oligosaccharide have?

• One

• Two to six

• Seven to twelve

• More than ten

What is the primary structural material in plants and animals?

• Nucleic acids

• Proteins

• Lipids

• Polysaccharides

Which sugar is found in both DNA and RNA?

• Glucose

• Ribose

• Galactose

• Fructose

What is glucose also known as?

• Lactose

• Dextrose

• Maltose

• Sucrose