Welcome to the Quiz!

This quiz contains 8 questions from a mix of 1 subtopics.

Which three elements do all lipids contain?

(Select all that apply)

nitrogen

carbon

oxygen

hydrogen

phosphorus

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3

True or False? Lipids are polymers.

true

false

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1

Give three examples of how lipids are used in the body

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3

How many carbon-carbon double bonds do saturated fatty acids contain?

3

2

0

1

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1

What is the name given to a fatty acid with 2 or more double bonds between their carbon atoms?

monounsaturated fatty acid 

polyunsaturated fatty acid 

saturated fatty acid

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1

Fatty acids with no carbon-carbon double bonds are described as being , whereas fatty acids with double carbon-carbon bonds are described as being .

saturated
unsaturated

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2

Which test is used to find out if a sample contains lipids?

iodine test

Benedict's test

biuret test

emulsion test

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1

Which colour indicates a positive result in the emulsion test?

brick-red

lilac

blue-black

milky white

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1