Page 1

1


2


Small World

3


4


In fact, a virus CANNOT function on its own. that serves as a host. Host The virus forces the host to make viruses rather 5


6


7


8


Spheres

9


10


11


12


13


Most DNA is made up of TWO strands of

14


15


16


17


18


19


20


the host cell.

21


22


23


24


25

Viruses  
Viruses  

Middle 1st Grade St. George's College June, 2008