Week 4 Quiz (08/30/24)

1) Identify the part outlined in blue.

• Phosphate
• Sugar
• Nitrogenous Base
• Double Helix

2) Identify the part outlined in orange.

• Phosphate
• Sugar
• Nitrogenous Base
• Double Helix

3) Identify the part outlined in yellow.

• Phosphate
• Sugar
• Nitrogenous Base
• Double Helix

4) Here's a free 3 points. Choose Option 1.

• Option 1
• Option 2
• Option 3
• Option 4

5) How many hydrogen bonds connect thymine and adenine?

• 1
• 2
• 3
• 4

6) How many hydrogen bonds connect cytosine and guanine?

• 1
• 2
• 3
• 4

7) What is the shape of DNA called?

• Single Strand
• Triple Helix
• Square Shaped
• Double Helix

8) The process of DNA replication is called semi-conservative because...

• two exact copies with new strands
• two DNA molecules. One original molecule and one with two new strands
• two DNA molecules, each with 1 original strand and one new.
• none of these

9) What is the function of DNA helicase in DNA replication?

• stabilizing the DNA molecule
• repairing damaged DNA
• forming new hydrogen bonds between nitrogen bases
• breaking existing hydrogen bonds between nitrogen bases