4.1 Study Guide

Question 1

What did smooth strain pneumonia do to the mouse?

Answer 1

It died

Question 2

What was Griffith’s experiment?

Answer 2

Injecting mice with different strains/types of pneumonia to see if they would live or die

Question 3

What is the process of one strain of bacteria acquiring a “factor” from another bacteria?

Answer 3

Transformation

Question 4

Why were scientists not convinced that DNA was the cell’s genetic material?

Answer 4

It is too simple of a structure to be responsible for complex traits

Question 5

How does a virus infect genetic material into a host cell?

Answer 5

It is how viruses reproduce

Question 6

What is phase 2?

Answer 6

Bacteria were infected with the viruses. The researchers were looking to identify if viral DNA or viral protein entered the host bacteria cell.

Question 7

What claim can be made about virus’s genetic material?

Answer 7

VIruses use DNA as their genetic material

Question 8

What is Chargaff’s first rule?

Answer 8

In any double stranded DNA, the number of guanine unite¬ cytosine and the number of adenine¬ thymine

Question 9

AGCT match the sequence

Answer 9

TCGA

Question 10

What does rough strain pneumonia do to the mouse when injected?

Answer 10

It lives