DNA Assessment B

1.The amount of ADENINE in a DNA molecule always EQUALS = the amount of

• cytosine
• guanine
• thymine

2. In what cell structure is DNA found?

• Nucleus
• Vacuole
• Mitochondria

3.What is the name of the SUGAR that is found DNA?

• ribose
• sucrose
• deoxyribose

4.What are the "sides" of a DNA molecule made up of?

• adenine and thymine
• sugar and phosphates
• nitrogen bases

5.What are the "rungs" or "steps" of the DNA molecule made up of?

• sugar
• phosphates
• nitrogen bases

6.Which of the following terms refers to the SHAPE of a DNA molecule?

• long, thin rod
• double helix
• straight ladder

7.Which of the following scientists won the Nobel prize for making a MODEL of DNA?

• 
• 

8.Which scientist used X-RAYS to determine the shape of DNA?

• Rosalind Franklin
• Erwin Chargaff

9.Which nitrogen base pairs are correct?

• A and C
• C and G

10.What structures in a DNA molecule hold the base pairs together

• Hydrogen Bonds
• Nitrogen Bonds
• Amino Acids