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DNA REVIEW

Total questions: 28

Worksheet time: 14mins

Name
Class
Date
1.

What school is home to the discovery of DNA?

a)

Cambridge

b)

Harvard

c)

King's College

d)

Oxford

2.

Which base always matches with Cytosine during DNA replication?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

3.

Which base always matches with Adenine during DNA replication?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

4.

Which base always matches with Guanine during mRNA transcription?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

5.

Which base always matches with Thymine during DNA replication?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

6.

Which of the following scientists DID NOT receive a Nobel prize for their work with DNA?

a)

Francis Crick

b)

Rosalind Franklin

c)

James Watson

d)

Maurice Wilkins

7.

When was the correct structure of DNA discovered?

a)

February 21, 1951

b)

February 28, 1951

c)

February 21, 1953

d)

February 28, 1953

8.

Who was the chemist that explained the number of Adenine molecules in every organism is the same as the number of Thymine molecules?

a)

Irwin Chargaff

b)

Francis Crick

c)

Rosalind Franklin

d)

Linus Pauling

9.

Which base always matches with Adenine in mRAN transcription?

a)

Adenine

b)

Cytosine

c)

Thymine

d)

Uracil

10.

What is the compound marked "1" in the figure?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

11.

What is the structure marked "3" in the picture?

a)

deoxyribose

b)

Hydrogen Bond

c)

Phosphate

d)

ribose

12.

What is the molecule shown in the image?

a)

DNA

b)

Fatty Acids

c)

RNA

d)

Uracil

13.

What is the structure marked "2" in the image?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

14.

What is the part labeled "5" referring to?

a)

deoxyribose

b)

hydrogen bond

c)

phosphate

d)

ribose

15.

What is the part marked "4" in the image?

a)

deoxyribose

b)

hydrogen bond

c)

phosphate

d)

ribose

16.

What would be the DNA complement if the original DNA strand is TGA ACT CAG ?

a)

ACT TGA GTC

b)

ACA TGA GTC

c)

TGA ACT CAG

d)

ACU UGA GUC

17.

Which statement is completely true about DNA and RNA?

a)

DNA contains cytosine, but RNA does not.

b)

DNA is a single helix, RNA is a double helix

c)

DNA contains Uracil, but RNA contains Thymine

d)

DNA uses deoxyribose and RNA uses ribose

18.

Which base is found in DNA but not RNA?

a)

Adenine

b)

Cytosine

c)

Thymine

d)

Uracil

19.

Which of the following statements is true for both DNA and RNA?

a)

adenine pairs with thymine

b)

adenine pairs with uracil

c)

cytosine pairs with guanine

d)

cytosine pairs with cytosine

20.

What is the sequence of 3 nitrogen bases in mRNA called?

a)

amino acids

b)

anticodon

c)

codon

d)

double helix

21.

If an mRNA strand reads AGG GCA CGU UGA , what will be the sequence of amino acids?

a)

serine - alanine - alanine - threonine

b)

arginine - alanine - arginine - stop

c)

arginine - arginine - alanine - stop

d)

threonine - alanine - alanine - serine

22.

What is an accurate title for the image shown?

a)

Amino Acid Chart

b)

DNA Replication Chart

c)

mRNA Transcription Chart

d)

mRNA Translation Chart

23.

If a DNA strand reads TCC CGT GCA AGT , what is the mRNA strand that would be created during transcription?

a)

AGG GCA CGT TGA

b)

AGG GCA CGU UCA

c)

TCC CGT GCA ACT

d)

UGG GCU CGT TGU

24.

If a DNA strand includes ACC, which amino acid would be made from its mRNA complement?

a)

alanine

b)

glycine

c)

methionine

d)

tryptophan

25.

Which of the following sequences in mRNA would signal the ribosome to stop making the protein chain?

a)

UGU

b)

UGG

c)

UGC

d)

UGA

26.

How many different amino acids are there?

a)

4

b)

20

c)

61

d)

64

27.

What is the scientific term for a change in a genetic sequence?

a)

cancer

b)

error

c)

mutation

d)

problem

28.

Which of the following refers to a mutation in one spot in a genetic sequence?

a)

chromosomal mutation

b)

frameshift mutation

c)

nondisjunction

d)

point mutation