Bacteria & Viruses

 

Bacteria:

image: ucmp.berkeley.edu

 

Virus:

 

 

 

 

 

 

 

 

 

Comparing Bacteria & Viruses:

Bacteria

Virus

Single celled Non Cellular
Larger Much smaller
Covered by cell wall Covered by protein coat
Has cell membrane No cell membrane
Has cytoplasm No cytoplasm
Genes on a DNA chromosome ring Genes on a singles strand of DNA or RNA
Sperical, rod-shaped or spiral Simple geometric shapes
Reproduces by Binary fission Replicates only in a Host cell
Only few are disease causing All parasitic & disease causing

 

Read More at :

Beyond books

 

 

__________

Advertisements
This entry was posted in biology 9 and tagged , , , , , , , . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s