Chapter 8 -1 Flashcards Preview

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Flashcards in Chapter 8 -1 Deck (11):
1

What is condensed chromatin?

DNA w/ histone proteins that function in gene expression

2

Which scientist is from the 20s?

Griffith - transformation by inheritance

3

Which scientist is from the 40s?

Avery et. al

4

Which scientist is from the 50s?

Hershey & Chase - bacteriophages

5

What was discovered in the 20s?

chromosome theory of inheritance; genes on chromosomes

6

What was discovered in the 40s?

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

7

What was discovered in the 50s?

DNA is a heritable material

8

What was Chargaff's Rule of 1952?

A=T
G=C

9

When was the structure of DNA discovered?

1953

10

Who discovered the Double Helix?

Watson, Crick, & Franklin

11

What does the Double Helix consist of?

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