Biology Lesson 4

What molecule is considered the most complex and potentially the most important?

• Protein

• Carbohydrate

• DNA

• RNA

What are the building blocks of DNA called?

• Amino acids

• Nucleotides

• Sugars

• Phosphates

What is the shape of DNA?

• Quadruple helix

• Triple helix

• Double helix

• Single helix

How many hydrogen bonds link guanine and cytosine together in DNA?

• 1

• 2

• 3

• 4

Who was the first to discover DNA?

• James Watson and Francis Crick

• Rosalind Franklin

• Gregor Mendel

• Friedrich Miescher

Why was Rosalind Franklin not awarded the Nobel Prize?

• Her research was inconclusive

• Nobel Prizes cannot be awarded posthumously

• She was not recognized in time

• Her work was not related to DNA

Which enzyme is responsible for unzipping the DNA double helix?

• Helicase

• RNA primase

• DNA polymerase

• Ligase

What are the short DNA fragments on the lagging strand called?

• Franklin fragments

• Crick fragments

• Watson fragments

• Okazaki fragments