DNA Quiz

Griffith called the process he observed transformation because

• the mouse had been transformed.

• the harmful bacteria had been transformed.

• the harmless bacteria had been transformed.

• the experiment had been transformed.

What did Avery conclude caused transformation?

• DNA was the transforming factor.

• A protein was the transforming factor.

• A carbohydrate was the transforming factor.

• A lipid was the transforming factor.

Tags

NGSS.HS-LS1-1

What is inside a bacteriophage?

• protein

• nucleic acid

• lipid

• carbohydrate

What do bacteriophages infect?

• mice.

• humans.

• humans.

• bacteria.

Why did Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur?

• DNA contains phosphorus and no sulfur.

• Proteins contain phosphorus and no sulfur.

• DNA contains sulfur and little phosphorous.

• Proteins acids contain sulfur and little phosphorous.

Which part of the bacteriophage contains genetic material?

• A

• B

• C

• D

What stores information in a cell?

• proteins

• carbohydrates

• lipids

• DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which of the following is a nucleotide found in DNA?

• adenine + phosphate group + thymine

• cytosine + phosphate group + guanine

• deoxyribose + phosphate group + polymerase

• deoxyribose + phosphate group + cytosine

Based on Chargaff’s rule, the percentage of cytosine in the DNA of the bacterium, S. Lutea in the image, should be around

• 26.6%

• 73.2%

• 36.6%.

• 29.4%.

What structural problem prevents adenine from pairing with guanine?

• The bases are both short.

• They lack phosphate groups.

• They lack the deoxyribose group.

• The bases are both long.