Welcome to the Quiz!

This quiz contains 12 questions from a mix of 1 subtopics.

What is the main role of triglycerides?

to store energy

to provide a waterproof barrier

to form components of the cell membrane

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1

How many fatty acid tails does a triglyceride contain?

1

2

3

4

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1

Give two features that help triglycerides to function as energy storage molecules

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2

Which type of reaction joins a fatty acid to glycerol?

condensation

hydrolysis

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1

Fatty acids and glycerol are held together via bonds.

ester

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1

How many water molecules are released in the synthesis of a triglyceride?

1

2

3

4

0

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1

How many fatty acid tails does a phospholipid contain?

1

2

3

4

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1

Within a phospholipid, the phosphate head is hydro and the fatty acid tails are hydro.

philic
phobic

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2

True or False? Cholesterol is a polar molecule.

true

false

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1

The main role of cholesterol is to the fluidity of the cell membrane.

reduce

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1

Which of the following lipids does cholesterol bind to in the cell membrane?

triglycerides

phospholipids

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1

Give one similarity and one difference between triglycerides and phospholipids.

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2