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Carbohydrates Basic Concepts

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Questions and Answers

What is the ratio of hydrogen atoms to oxygen atoms in a carbohydrate molecule?

1:1

3:1

1:2

2:1 (correct)

What elements are found in carbohydrates?

Carbon, Hydrogen, Sodium

Carbon, Helium, Oxygen

Carbon, Hydrogen, Oxygen (correct)

Carbon, Hydrogen, Nitrogen

Which carbohydrate is the main respiratory substrate of most organisms?

Cellulose

Glucose (correct)

Starch

Glycogen

What is the function of storage carbohydrates?

Storing chemical energy Signup and view all the answers

How are monosaccharides classified?

By the number of carbon atoms Signup and view all the answers

How does the presence of large amounts of lipid in an animal affect its density?

Decreases the density Signup and view all the answers

What are the acidic properties associated with the carboxyl group of a fatty acid?

It forms hydrogen ions in solution Signup and view all the answers

Why do oils secreted by some animals onto their skin consist of triglycerides?

To waterproof the skin Signup and view all the answers

Which functional group of a fatty acid is ionic in nature?

Carboxyl group Signup and view all the answers

What type of alcohol is ethanol based on its hydroxyl groups?

Monohydroxy alcohol Signup and view all the answers