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Macromolecules Extra Credit

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The bases found in RNA are

a)

A,C,T,G

b)

A,U,T,G

c)

A,C,T,U

d)

A,C,U,G

2.

The molecule that forms when two monosaccharides join is a

a)

Hydrolysis

b)

Disaccharide

c)

Polysaccharide

d)

Nucleic acid

3.

The building blocks of proteins are

a)

Sugars

b)

Carbohydrates

c)

Lipids

d)

Amino acids

4.

______________ speed up chemical reactions.

a)

Substrates

b)

Lipids

c)

Enzymes

d)

Proteins

5.

Unsaturated fatty acids have

a)

No double bonds

b)

One double bond

c)

Multiple double bonds

d)

6-sided carbon rings

6.

There are ___________ amino acids.

a)

4

b)

100

c)

20

d)

25

7.

Cellulose is found in

a)

Muscles

b)

Liver

c)

Blood

d)

Plant cell walls

8.

In the phospholipid bilayer in the membrane pictured below, the "tails of the lipid" are

a)

Hydrophilic

b)

Hydrophobic

c)

Neutral

d)

Polar

9.

Organic compounds always contain the element

a)

Sulfur

b)

Carbon

c)

Oxygen

d)

Nitrogen

10.

Which of the following macromolecules forms the major component of cell membranes?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic acid

11.

All macromolecules have ________________ as their main element.

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

12.

The two functional groups that are found in amino acids are

a)

5 Carbon sugar and phosphate group

b)

Hydrogen and hydroxide

c)

Glycerol and 3 fatty acids

d)

Amine group and carboxyl group

13.

Why are enzymes important to organisms?

a)

They speed up chemical reactions.

b)

They provide structural support.

c)

They store genetic information.

d)

They transport oxygen in the blood.

14.

List 3 polysaccharides.

a)

Starch, Cellulose, Glycogen

b)

Glucose, Fructose, Sucrose

c)

Lactose, Maltose, Galactose

d)

Ribose, Deoxyribose, Xylose

15.

BONUS (5 points): Write in the bases that would pair with these bases in DNA.

a)

Adenine pairs with Thymine, Cytosine pairs with Guanine

b)

Adenine pairs with Cytosine, Thymine pairs with Guanine

c)

Adenine pairs with Guanine, Cytosine pairs with Thymine

d)

Adenine pairs with Thymine, Guanine pairs with Cytosine