wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biomolecules

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

These are organic molecules consisting of only carbon and hydrogen.

a)

Carbon molecules

b)

Hydrocarbon

c)

Carbon chains

d)

Biomolecules

2.

These are large molecules composed of thousands of covalently connected atoms.

a)

Monomer

b)

Macromolecules

c)

Micromolecules

d)

Molecular structure

3.

It is a long molecule consisting of many similar building blocks.

a)

Polymer

b)

Monomer

c)

Hydrolysis

d)

Condensation

4.

These are macromolecules that speed up the dehydration process.

a)

Condensation

b)

Hydrolysis

c)

Synthesis

d)

Enzymes

5.

These are the one class of large biological molecules that do not form polymers.

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acid

6.

It store and transmit hereditary information

a)

Carbohydrates

b)

Nucleic Acid

c)

Proteins

d)

Lipids

7.

Lipids are hydrophobic because they consist mostly of hydrocarbons, which form nonpolar covalent bonds

a)

TRUE

b)

FALSE

8.

Polypeptides are monomers built from the same set of 20 amino acids.

a)

TRUE

b)

FALSE

9.

Sugars: Glycosidic linkages :: Lipids: ___________

a)

Ester linkages

b)

Peptide bonds

c)

Phosphodiester linkages

d)

Chemical bonds

10.

Proteins: Amino acids :: Nucleic Acids: _________

a)

Fatty Acids

b)

Nucleoside

c)

Nucleotides

d)

Polynucleotides

11.

Q. What do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?

a)

They are lipids made of fatty acids.

b)

They are nucleic acids made of nucleotides.

c)

They are proteins made of amino acids.

d)

They are carbohydrates made of simple sugars.

12.

What organic macromolecules are composed of chains of amino acids that join to form the structural components of organisms.

(a)  

13.

Q. The four most common elements found in biomolecules are:

a)

Carbon, Nitrogen, Phosphorus, Bromine

b)

Carbon, Oxygen, Nitrogen, Hydrogen

c)

Sulfur, Nitrogen, Iron, Carbon

d)

Sulfur, Phosphorus, Carbon, Oxygen

14.

An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provide energy. Which two biomolecules must the supplement contain to provide these benefits?

a)

proteins and carbohydrates

b)

carbohydrates and lipids

c)

nucleic acids and carbohydrates

d)

lipids and nucleic acids

15.

These are biomolecules in our cells that store and direct information for cellular growth and reproduction. Type your answer.

(a)