Structure of DNA Quiz

What does DNA stand for?

• Deoxyribose Acid

• Deoxy Ribose Acid

• Deoxyribonucleic Acid

• None of above

Which scientist stated the the percentage of adenine is equal to the thymine and the percentage of guanine is equal to the percentage of cytosine. (A-T,C-G)

• Watson

• Crick

• Frankin

• Chargaff

How many strands makes up DNA?

• 1

• 2

• 3

• 4

Which class of nitrogen bases have a complex structure?

• purines

• pyrimidines

• both

Which scientist died before they were awarded the Nobel Peace Prize?

• Wilkins

• Watson

• Frankin

• Crick

What type of bond holds the nitrogen bases together?

• Ionic

• Hydrogen

• Covalent

• Vander Waal Forces

Which two nitrogen bases are purines?

• Thymine and Cytosine

• Thymine and Guanine

• Guanine and Adenine

• Guanine and Cytosine

Which two nitrogen bases makes up pyrimidines?

• Cytosine and Thymine

• Cytosine and Guanine

• Adenine and Thymine

• Adenine and Guanine

What is another name for the steps on a ladder?

• trungs

• pungs

• dungs

• rungs

What makes up the backbone of DNA?

• phosphorus and sugar

• phosphate and sugar

• Adenine and Thymine

• Cytosine and Guanine