2.2biological molecules - higher-carbohydra, lipids, protein

In a carbohydrate, which of the following best describes the ratio of carbon to hydrogen to oxygen (in that order)?

• 1:1:1

• 2:1:1

• 1:2:1

• 1:1:2

Which of the following tests for glucose?

• Iodine
• Benedicts
• Biuret

Which test requires heat?

• Benedicts
• Biuret
• Iodine

Which of the following tests for protein?

• Iodine
• Benedicts
• Biuret

Which of the following tests for starch?

• Iodine
• Benedicts
• Biuret

Which isomer of glucose is this?

• Beta glucose
• Alpha glucose
• Neither

How do you test for lipids?

• By using Ethanol and water

• By using Benedicts solution

• By using Iodine

• By using Biuret test

Which two polysaccharides contains 1,6 glycosidic bonds?

• Amylose and Amylopectin
• Amylopectin and Glycogen
• Cellulose and Glycogen
• Glycogen and Amylose

Carbohydrates, proteins and lipid monomers are joined in reactions called...

• Condensation Reactions
• Hydrolysis Reactions

Carbohydrates, proteins and lipids are broken down in reactions called...

• Condensation reactions
• Hydrolysis Reactions