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Biology test

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

How many nitrogen bases are there in DNA?

a)

4

b)

6

c)

29

d)

48

2.

What is the difference in RNA?

(a)  

3.

Structurally, what is the difference between a

saturated and an unsaturated fat?

a)

Saturated is

solid at room temp, no double bonds

Unsaturated is usually liquid at room temp, and

has at least 1 double bond

b)

Saturated is usually liquid at room temp, and

has at least 1 double bond

Unsaturated is

solid at room temp, no double bonds

4.

Organic Molecules in a ring structure are

usually which macromolecule?

a)

carbohydrates

b)

proteins

c)

fat

5.

What ends in "ase"?

a)

Enzymes

b)

carbohydrates

c)

proteins

6.

Enzymes are _____

a)

proteins

b)

carbohydrates

c)

fat

d)

ATP

7.

Which molecule is the favorite of the

mitochondria?

a)

ATP which is a nucleic acid. It is

made by breaking down: glucose

b)

Nucleotides which are a nucleic acid. It is

made by breaking down: glucose

c)

Amino Acids which are a nucleic acid. It is

made by breaking down: glucose

8.

speeds up

chemical reactions by lowering the activation

energy.

a)

Role of an enzyme

b)

Role of a nucleotide

c)

Role of an Amino Acid

d)

Role of a polypeptide

9.

If we heat a protein and it changes its shape it is called ____

a)

denaturing

b)

decomposing

10.

Which macromolecule will not dissolve in

water?

a)

lipids

b)

carbohydrates

c)

nucleotides

d)

proteins

11.

acidic- sour in the pH level

a)

1­-6.9

b)

7.1­-14

c)

7

12.

base-bitter in the pH level

a)

7.1­-14:

b)

1-­6.9

c)

7

13.

neutral in the pH level

a)

7

b)

1-­6.9

c)

7.1­-14