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Biology Chapter 6: Chemistry of Lipids

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Questions and Answers

What are lipids present in?

All cells and tissues (correct)

Only in muscle cells

Only in nervous tissues

Only in adipose tissue

What is the function of lipids in cells?

To store genetic information

To carry out messages from hormones (correct)

To provide energy

To synthesize proteins

What is the term for lipids that can be broken down into fatty acids and glycerol?

Saponifiable lipids (correct)

Phospholipids

Nonsaponifiable lipids

Glycolipids

What is the molecular formula for glycerol?

C3H8O3 Signup and view all the answers

What is the ratio of hydrogen atoms to oxygen atoms in glycerol?

2:1 Signup and view all the answers

What is the term for the process of breaking down triglycerides into fatty acids and glycerol?

Hydrolysis Signup and view all the answers

What is the term for lipids that are not broken down into fatty acids and glycerol?

Nonsaponifiable lipids Signup and view all the answers

What is the term for lipids that are found in the brain and nervous system?

Cerebrocides Signup and view all the answers

What is the term for fatty acids that are necessary for human health?

Essential fatty acids Signup and view all the answers

What is the term for the process of adding hydrogen to unsaturated fatty acids to make them saturated?

Hydrogenation Signup and view all the answers