wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

DNA lesson 1 recap

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What makes up the SIDES of a DNA ladder?

a)

nitrogenous bases

b)

sugars & phosphates

c)

genes & chromosomes

d)

RNA

2.

What makes up the rungs (steps) of a DNA ladder?

a)

sugars & phosphates

b)

nitrogenous bases

c)

sugars

d)

genes & chromosomes

3.

What SHAPE is DNA?

a)

single strand

b)

straight ladder

c)

double helix (twisted ladder)

d)

DNA has no shape

4.

In DNA. what base always pairs with A?

a)

A

b)

T

c)

C

d)

G

5.

In DNA, what base always pairs with C?

a)

C

b)

T

c)

A

d)

G

6.

If one strand of a DNA molecule has the following order of bases, what will be the correct order of bases on the complementary (matching) strand?

AATTGGCC

a)

AATTGGCC

b)

TTAACCGG

c)

GGCCAATT

d)

GACTGACT

7.

What is DNA made up of?

a)

nucleotides

b)

cytoplasm

c)

RNA

d)

cells

8.

Which is NOT one of the three parts of a nucleotide?

a)

sugar

b)

base

c)

ribosome

d)

phosphate

9.

In what cell part is the DNA located?

a)

ribosome

b)

cytoplasm

c)

mitochondria

d)

nucleus

10.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Diribose nutride acidosis

c)

Dinitro acid

d)

Deoxynitrogenic acid

11.

Fill in the matching bases that would appear on the top strand of the DNA molecule pictured, in order.


A G T C A T G A

a)

A G T C A T G A

b)

T T T A A A C C

c)

T C A G T A C T

d)

C A T G A G A T

12.

Challenge- How many TOTAL NUCLEOTIDES are there in the DNA molecule pictured?

a)

5

b)

10

c)

2

d)

20