Natural Science Forum / Biology / Microbiology / April 2007

Ozone Generator -vs- Cat Urine Spray?
I was hoping to get some advice regarding the effectiveness of a small
Ozone Generator to deal with the smell of Cat Urine Spray indoors.....by
a de-sexed male cat. He is deliberately spraying, not simply taking a

I study Streptococcus pyogenes. I need bacterial phage A25 which is
specific to Group A Streptococcus. Could anyone tell me where to get
it. Thanks.

If I told you that the antibodies production depend upon the sequences
of amino acid in the poly peptides of immunoglobulins, nor to clonal
selection theory. How could you prove that?