Question 1 Match the following words with their meaning.

1. transformation
2. bacterial conjugation
3. transduction

A. naked genetic material is taken into the cell from outside the cell membrane
B. genetic material is shared through direct cell to cell contact
C. sharing of genetic material through a bacteriophage.

question 2
The cell wall of a Gram-negative bacterium is composed of:

20% or more of bacteriophage
20% or more of peptidoglycan
20% or less of peptidoglycan
20% or less of bacteriophage

question 3
A cell is rod-shaped.

Lactobacillus
Spirochetes
Streptococcus
Rickettsia

question 4
What is the shape of Streptococcus cells?

oval-shaped
spiral-shaped
rod-shaped
round cells in a chain

Question 5
What is the shape of Streptococcus cells?

oval-shaped
spiral-shaped
rod-shaped
round cells in a chain