Chapter 8 -1

Question 1

What is condensed chromatin?

Answer 1

DNA w/ histone proteins that function in gene expression

Question 2

Which scientist is from the 20s?

Answer 2

Griffith - transformation by inheritance

Question 3

Which scientist is from the 40s?

Answer 3

Avery et. al

Question 4

Which scientist is from the 50s?

Answer 4

Hershey & Chase - bacteriophages

Question 5

What was discovered in the 20s?

Answer 5

chromosome theory of inheritance; genes on chromosomes

Question 6

What was discovered in the 40s?

Answer 6

What is the heritable transforming factor? DNA, RNA, or protein?

Question 7

What was discovered in the 50s?

Answer 7

DNA is a heritable material

Question 8

What was Chargaff’s Rule of 1952?

Answer 8

A=T

G=C

Question 9

When was the structure of DNA discovered?

Answer 9

1953

Question 10

Who discovered the Double Helix?

Answer 10

Watson, Crick, & Franklin

Question 11

What does the Double Helix consist of?

Answer 11

2 antiparallel polynucleotide strands
AND
complementary base pairing (A-T,G-C)