Chapter 13 (DNA Structure & Replication)

Question 1

he found a chemical called nuclein that would lay the backbone to the discovery of nucleic acid

Answer 1

What did Johann Friedrich Miescher do?

Question 2

he worked with S-Strain and R-Strain bacteria to conclude that the S-Strain passed genetic material to R-Strain

Answer 2

What did Frederick Griffith do?

Question 3

they injected bacteria with radioactive material to conclude that DNA is the genetic material

Answer 3

What did Hershey and Chase do?

Question 4

1. The amount of A, T, G, and C in DNA varies from species to species
2. A=T and G=C

Answer 4

What did Erwin and Chargaff figure out?

Question 5

Adenine and Guanine are ________ bases

Answer 5

purine

Question 6

Thymine and Cytosine are ________ bases

Answer 6

pyrimidine

Question 7

Purine bases are _____ ringed

Answer 7

doubled

Question 8

Pyrimidine bases are _____ ringed

Answer 8

single