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Functions of Lipids

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

The macromolecule group classified as "lipids" includes...(select all that apply)

a)

Fats

b)

Oils

c)

Waxes

d)

Sugars

2.

Lipids are nonpolar, so they...

a)

easily dissolve in water

b)

do NOT easily dissolve in water

3.

Lipids are composed of...

a)

carbon

b)

hydrogen

c)

oxygen

d)

long chains of carbon and hydrogen

e)

all of these answers

4.

True or False: Foods that contain high amounts of fat are easily found in nature.

a)

True

b)

False

5.

Why do our brains love the taste of fat? (Select all that apply)

a)

To make humans eat as much fatty foods as possible to obtain lots of long-term energy

b)

It is full of sugar

c)

Because it actually tastes good

d)

Evolutionarily, it gave our human ancestors a survival advantage

6.

Which of the following is NOT a function of lipids?

a)

long term energy

b)

insulation

c)

used to make hormones

d)

building of muscles

7.
Why are lipids efficient for energy storage?
a)
they are short chains of nitrogen and oxygen.
b)
they are medium chains of hydrogen and oxygen.
c)
They are long chains of carbon and hydrogen.
8.

Today, humans eat ________ fatty foods than what they would have historically have found in nature.

a)

More

b)

Less

9.

Excess ____________ can be converted into fat...

a)

glycogen

b)

glucose

c)

cellulose

d)

starch

10.

_________ can be caused by high carb & fat diet and low physical activity

a)

Obesity

b)

Insulation

c)

Weight loss

d)

Blindness

11.

Obesity can lead to... (select all that apply)

a)

Cancer

b)

Diabetes

c)

Atherosclerosis

d)

Earlier puberty

12.

What is depicted in this image?

a)

Atherosclerosis

b)

Cancer

c)

Diabetes

d)

Healthy blood vessels

13.

Why is it hard to lose weight (fat)?

a)

The body uses carbs first and then fat to produce ATP

b)

The body uses fats first and then carbs to produce ATP

c)

Fat never leads the body

d)

Many foods from the grocery store contain too much fat

14.

Blubber provides seals & whales with...

a)

Insulation

b)

Long-term energy

c)

Hormones

d)

Vitamin storage

15.

Ducks excrete an oily substance onto their feathers, which waterproofs them and allows them to float. The waterproofing and ability to float are due to the fact that the oil is ________ and water is ________.

a)

Polar, nonpolar

b)

Nonpolar, polar

c)

Less dense, more dense

d)

Sticky, slippery

16.

Fat provides _____________ that protects your bones, joints, eyeballs, and more.

a)

insulation

b)

cushioning

c)

hormone synthesis

d)

vitamin storage

17.

During puberty, your body usually gains fat in order to produce...

a)

vitamins

b)

hormones

c)

cushions

d)

babies

18.

Hormones regulate...

a)

metabolism

b)

growth

c)

reproduction

d)

mood

e)

all of these

19.

An excess of vitamin A stored in fat can cause...

a)

orange skin

b)

night blindness

c)

early puberty

d)

death

20.

Female puberty starts...

a)

when a female has enough body fat to carry a baby

b)

when a female has no body fat to carry a baby

c)

randomly

d)

very late