Sunday, April 17, 2011

IB Biology Microbes, Bacteria for Option F

Gram Positive and Gram Negative Bacteria
Keywords are
Lipid layer, Differences, Lysozymes protection, Porins, Stain with Violet, Peptidoglycans, Ethanol, Safranin, Thick and thin, Which bacteria is more dangerous?
Gram staining is done by using crytal violet, iodine, ethanol, safranin and cell wall will be stained purple or pink depending on the cell structure. 
Gram positive (purple), Gram negative (pink)
Gram Staining in YouTube


Gram Staining Explained in Detailed


After viewing, 
Click HERE to get complete the Gram Staining Process

Diversity/differences between Eubacteria and Archaea
Keywords are
Peptidoglycans, Membrane lipid, Ribosomes, Introns, Histones, Halophiles, Themophiles, Methanogens, Lipopolysaccharide(LPS), Cocci, Bacilli, Spirilla, Vibrios
Source is taken from
http://masmeron.com/tag/eubacteria/
.....................................................................................................................................................
Structure of Virus
Keywords are
Capsid, Naked, Envelope, s/d RNA, s/dDNA, Reverse Transcriptase, Protein coat, 
capsomers, Nucleocapsid, Adenovirus, TMV, Retrovirus, Glycoprotein, CD4 Receptor
Source is taken from 
http://www.lookfordiagnosis.com/images.php?term=Viruses&lang=1


Virus Animation site
Click HERE to get in
Thanks to Sumanas Inc for the animation.

No comments:

Post a Comment

Related Posts Plugin for WordPress, Blogger...