Chapter 13 DNA Structure Review

Which of the following researchers used radioactive markers in experiments to show that DNA isthe genetic material in cells?

• Griffith

• Avery

• Hershey & Chase

• Watson & Crick

Which of the following researchers wanted to find out what genetic material was made from (nucleic acids, carbohydrates, lipids or proteins) and determined DNA stores genetic material in organisms?

• Griffith

• Avery

• Hershey & Chase

• Watson & Crick

Which of the following researchers determined DNA is made from two strands, joined by paired nitrogenous bases and twisted in a double helix?

• Griffith

• Avery

• Hershey & Chase

• Watson & Crick

Which of the following researchers determined that traits are passed from parent to offspring by studying pea plants?

• Mendel

• Chargaff

• Franklin

• Watson & Crick

Which of the following researchers determined that the amount of thymine in DNA = the amount of adenine, and the amount of cyotsine in DNA = the amount of guanine in DNA?

• Mendel

• Chargaff

• Franklin

• Watson & Crick

Which of the following researchers used x-ray crystallography to determine that DNA is in a helical pattern?

• Mendel

• Chargaff

• Franklin

• Watson & Crick

A nucleotide does not contain...

• a sugar

• an amino acid

• a nitogenous base

• a phosphate group

According to Chargaff's rule of base pairing, which of the following is true about DNA?

• A = T

  C = G

• A = C

  T = G

• A = G

  T = C

• A = T = C = G

The bonds that hold the two strands of DNA together come from

• The attraction of phosphate groups for each other

• Strong bonds between nitrogenous bases and deoxyribose

• Weak hydrogen bonds between the nitrogenous bases

• Carbon-to-carbon bonds in the suar portion of the nucleotides

The term that describes one side of nucleotides facing up and the other side of nucleotides facing downward is called...

• antiparallel arrangement

• parallel

  arrangement

• intersecting

• transversal