Lipids

What is a type of molecule that has both a water soluble and water insoluble portion?

• wax

• phospholipid

• amino acid

In a phospholipid, the water soluble portion is a ___.

• phosphorus head

• fatty acid tail

Lipids contain H and O in a ratio of greater than 2:1.

• True

• False

A triglyceride is made up of __ glycerol and __ fatty acids.

• 3; 1

• 1; 3

• 1; 2

Which type of lipid contains an alcohol other than glycerol?

• phospholipid

• steroid

• wax

Which type of lipid contains 4 rings of carbon atoms?

• steroid

• triglyceride

• phospholipid

Which type of lipid can be found on insect bodies and is water repellant?

• triglyceride

• wax

• steroid

Name one place in your body where cholesterol is provides strength and support.

• arteries

• digestive tract

• cell membrane

It is possible to completely remove cholesterol from your system by watching what you eat.

• True. Your diet can remove cholesterol if you no longer eat it.

• False. There will always be cholesterol in your body. (structure of cells and digestion)

If you had the same amount of carbohydrates and lipids which would give you more energy when broken down?

• carbs

• lipids

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