4.1

Question 1

A=T, G=C

Question 2

When did the mice die?

Answer 2

When given the smooth strain and the rough and heat killed smooth strain mixed

Question 3

When did the mice live?

Answer 3

When given the rough strain and the heat killed smooth strain seperately

Question 4

What disease was Griffith researching?

Answer 4

Pneumonia

Question 5

Why does a virus inject genetic material into a host?

Answer 5

Reproduction

Question 6

How did the scientists determine that DNA was the genetic material that viruses use?

Answer 6

They found that only radioactive phosphorous was inside the bacterial host cells.

Question 7

Similarities in DNA and RNA

Answer 7

Made of nucleotides, phosphate, sugar base, sugar phosphate backbone, base pairing with H-bonds, and G=C

Question 8

Differences in DNA and RNA

Answer 8

DNA has hydrogen and RNA has hydroxyl
DNA has T=A and RNA has U+A
DNA has deoxyribose and RNA has ribose
DNA has 2 strands double helix and RNA has 1 strand shape determined by folding

Question 9

Strands of DNA are antiparallel meaning they run in opposite directions

Question 10

The inside is held together by H-Bonds and the backbone by Covalent bonds

Question 11

T and C are Pyrimides and A and G are Purites