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Worksheets

DNA

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

Label the parts of the NUCLEOTIDE. Letter C is ____

a)

Deoxyribose sugar

b)

Phosphate group

c)

Nitrogenous base

d)

Glucose

2.

Choose the complementary strand to the following DNA segment.


T T G C A G

a)

T T G C A G

b)

G A C G T T

c)

C T G C A A

d)

A A C G T C

3.

The shape of the DNA molecule is _____

a)

multiple segments linked together

b)

a double helix

c)

a single strand twisted around itself

d)

a single strand folded back and forth upon itself

4.

Identify the DNA scientist based on the following statement:


Discovered base pairing: A always pairs with T and G always pairs with C.

a)

Oswald Avery

b)

Erwin Chargaff

c)

Rosalind Franklin

d)

Hershey and Chase

e)

Frederick Griffith

5.

Identify the DNA scientist based on the following statement:


Found that "transformation" took place in pneumonia bacteria by observing nonvirulent turning into virulent.

a)

Oswald Avery

b)

Erwin Chargaff

c)

Rosalind Franklin

d)

Hershey and Chase

e)

Frederick Griffith

6.

Identify the DNA scientist based on the following statement:


Determined that DNA was the genetic factor by using radioactive isotopes to tag virus DNA going into a bacteria cell.

a)

Oswald Avery

b)

Erwin Chargaff

c)

Rosalind Franklin

d)

Hershey and Chase

e)

Frederick Griffith

7.

Identify the DNA scientist based on the following statement:


Repeated Griffith's experiment but confirmed it was DNA by using restriction enzymes to destroy and isolate all of the cell organelles. When DNA was destroyed, transformation did NOT occur.

a)

Oswald Avery

b)

Erwin Chargaff

c)

Rosalind Franklin

d)

Hershey and Chase

e)

Frederick Griffith

8.

A bacteriophage virus is made up of only a ____ (select all parts that are true.)

a)

DNA core

b)

protein coat

c)

mitochondria

d)

cell wall

9.

The pyrimidine nitrogenous bases are the _______ (choose all that apply).

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

10.

The nitrogenous bases are held together by weak ___ bonds.

a)

carbon

b)

hydrogen

c)

electrostatic

d)

DNA