DNA History, Structure and Replication

If a DNA molecule has 4,001 A's, how many T's will it have?

• 8,002

• Not enough info to tell

• 4,001

• 2000.5

Replication is the process by which

• DNA makes copies of itself

• RNA makes copies of itself

• DNA makes proteins

• The Borg reproduce

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The function of DNA is to provide instructions for making proteins and thus run your body.

• True

• False

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What is the shape of a DNA?

• Double Helix

• Base Pairing

• The shape of you

• Hydrogen Bonding

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

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Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

Which scientists built a 3-D model of the DNA double helix?

• Hershey and Chase

• Watson and Crick

• Chargaff and Franklin

• Griffith and Avery

Watson and Crick were the first to suggest that DNA is _____

• a short molecule

• the shape of a double helix

• a protein molecule

• the genetic material

What does DNA do?

• a.  It carries genetic codes from parents to offspring.

• a.  It carries oxygen from the lungs to the body.

• a.  It tells you who you are.

• a.  It defines the organism.

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