Genetics Unit 1 Test Review

What was Griffith experimenting on?

• Mice

• Dogs

• Primates

• People

What strains was he studying?

• S strain only

• R strain only

• Both S and R Strains

What was surprising about his research?

• S strain killed mice

• R Strain killed mice

• Heat treated S strain killed mice

• A mixture of heat killed S Strain and R Strain produced deadly S Strain bacteria.

What part of a bacteria was Avery studying to determine what was passing on heredible material?

• Polysaccharides

• Lipids

• RNA

• DNA

• All of the above

What part of a bacteria was Avery studying that seemed to pass on heredible material?

• Polysaccharides

• Lipids

• RNA

• DNA

What substances did Hershey and Chase use to determine if proteins or nucleic acids were passing heritable material?

• Sulphur

• Phosphorus

• Radioactive Sulfur and Phosphorus

• All of the above

What did Watson, Crick and Franklin contribute?

• That DNA passed on heredible material

• The shape of the DNA molecule

• That proteins passed on heredible material

• That DNA passed on heredible material.

The sequence of bases along DNA's backbone encodes ______.

• Genetic information

• How to construct RNA only.

• How to construct proteins only

• DNA does not code for anything.

The structure of DNA is known as a

• Helix

• Double helix

• Trihelix

• Quaternary helix

The chemical bonds between the bases in DNA are

• Ionic bonds

• Covalent bonds

• Polypeptide bonds

• Hydrogen bonds