Carbohydrates

Carbohydrates contain which elements

• Hydrogen, Oxygen, and Nitrogen
• Carbon, Hydrogen, and Oxygen
• Carbon, Hydrogen, and Iron
• Carbon, Oxygen, and Iron

What is the name of covalent bonds between monosaccharides?

• Ionic bonds
• Metallic bonds
• Glycosidic bonds
• Hydrogen bonds

What types of bond are found in this molecules?

• 1,6 alpha Glycosidic bonds

• 1,4 beta Glycosidic bond

• 1,6 beta Glycosidic bond

• 1,4 alpha Glycosidic bond

Name this reaction

Which polysaccharide is made of this molecule?

• Cellulose
• Starch
• Glycogen
• Chitin

Which molecule can provide many glucose immediately when it is broken down?

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Which polysaccharide has hydrogen cross-link between molecules?

• Starch
• Cellulose
• Glycogen
• Amylopectin

Name reagent used to test for the presence of starch

Which reagent is used for testing the presence of reducing sugar?

• Benedict's solution
• Iodine solution

• Biuret's solution
• Ethanol

Which molecule is non-reducing sugar?

• Glucose
• Fructose
• Sucrose
• Lactose