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Biomolecules

Total questions: 15

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Which atom or element is in almost all biomolecules?

a)

sulfur

b)

lithium

c)

carbon

d)

calcium

2.

Large molecules formed by joining smaller organic molecules together are called ___________________. (look at your vocabulary definitions)

a)

polymers

b)

macromolecules

c)

carbohydrates

d)

monomers

3.

Molecules made from repeating units of identical or nearly identical compounds called monomers are called _____________ (look at your vocabulary definitions.)

a)

polymers

b)

macromolecules

c)

carbohydrates

d)

lipids

4.

Select the compounds that are MACROMOLECULES.

a)

nucleic acids

b)

water

c)

carbohydrates

d)

carbon dioxide

e)

amino acids

5.

Which macromolecule is the central energy source for organisms because they provide glucose to the body?

a)

lipids

b)

amino acids

c)

nucleic acids

d)

carbohydrate

6.

Which 3 elements are in carbohydrates?

a)

carbon

b)

hydrogen

c)

neon

d)

oxygen

e)

potassium

7.

one carbohydrate is called a _________________

a)

disaccharide

b)

monosaccharide

c)

polysaccharide

d)

complex sugar

8.

Two monosaccharides joined together form a _________________

a)

disaccharide

b)

monosaccharide

c)

polysaccharide

d)

complex sugar

9.

Longer carbohydrate molecules are called _________________

a)

disaccharide

b)

monosaccharide

c)

polysaccharide

d)

simple sugar

10.

Which two foods have the most carbohydrates?

a)

pasta

b)

water

c)

bread

d)

meat

11.

What are the two types of NUCLEIC ACIDS?

a)

DNA

b)

Glucose

c)

RNA

d)

Enzymes

12.

Proteins are responsible for (choose 3):

a)

signaling within and between cells

b)

giving quick energy to organisms

c)

speeding up chemical reactions

d)

storing genetic information

e)

controlling cell growth

13.

Nucleic acids are responsible for:

a)

giving quick energy to organisms

b)

speeding up chemical reactions

c)

storing genetic information

d)

controlling cell growth

14.

Lipids/fatty acids are responsible for:

a)

giving quick energy to organisms

b)

storing energy & preventing water loss

c)

storing genetic information

d)

controlling cell growth

15.

Amino acids are the monomers for which macromolecule/polymer?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acids