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Macromolecules!

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Water is a product in __________ reactions, which help __________ macromolecules

a)

hydrolysis ; break down

b)

hydrolysis ; build

c)

dehydration ; break down

d)

dehydration ; build

2.

Water is a reactant in __________ reactions, which help __________ macromolecules

a)

hydrolysis ; break down

b)

hydrolysis ; build

c)

dehydration ; break down

d)

dehydration ; build

3.

What is the monomer of proteins?

a)

Polypeptides

b)

Peptides

c)

Amino acids

d)

Nucleic acids

e)

Ribosomes

4.

What is the monomer of carbohydrates?

a)

Simple sugars

b)

Ribose sugar

c)

Glucose

d)

Amino acids

e)

Lipids

5.

_____ stores genetic information, and _____ decodes genetic information.

a)

DNA ; RNA

b)

RNA ; DNA

c)

DNA ; nucleotides

d)

Nucleotide ; RNA

e)

Nucleotides ; nitrogenous bases

6.

Which of the following are true of lipids? Select all that apply!

a)

Lipids are hydrophillic

b)

Lipids are made mostly of C and H

c)

Triglycerides form the plasma membrane

d)

Phospholipids have two fatty acid tails

7.

Select the correct structure of triglycerides.

a)

Two fatty acid tails attached to a glycerol

b)

Three fatty acid tails attached to a glycerol

c)

A rigid four ring structure

d)

A chain of monomers

8.

A molecule that is part polar and part non-polar is called ________.

a)

Hydrophobic

b)

Hydrophillic

c)

Acidic

d)

Amphipathic

e)

Amphoteric

9.

The head of phospholipids are _______, and the tails of phospholipids are _________. Select all that apply!

a)

Non-polar ; polar

b)

Polar ; non-polar

c)

Hydrophilic ; hydrophobic

d)

Hydrophobic ; hydrophilic

10.

Steroids function as _________.

a)

A site of energy storage

b)

Dietary fat

c)

Hormones

d)

Enzymes

11.

Which polysaccharide is found in the cell walls of plants?

a)

Starch

b)

Glycogen

c)

Chitin

d)

Cellulose

12.

_________ stores energy in plant cells, and ________ stores energy in animal cells

a)

Cellulose ; starch

b)

Cellulose ; glycogen

c)

Glycogen ; cellulose

d)

Starch ; chitin

e)

Starch ; glycogen

13.

Where is chitin found? Select all that apply!

a)

Plant cell walls

b)

Fungal cell walls

c)

Exoskeletons of insects

d)

Animal connective tissue