Natural Science Forum / Biology / Biology / March 2006

Well can simple media like PDA help me in growing yeasts? Or do I need
some supplements?
How do I prevent bacterial infections on my yeast?
Please Help.

I'm trying to determine the difference between these two cells. It
seems that interneurons connect two neurons together, but is it only
two neurons? Principal cells receive input on one end and output
whatever they need to on the other end?

Hi everyone,trying to purify a recombinant enzyme,but its autocatalytic
and keeps chewing itself up,anybody have any in-depth knowledge of the
topic? any advice would be great! Thanks.

Have a question about standard procedure of osmotic shock. I grow my
E.coli after induction by means of IPTG for 12-16h in 27Cdeg. Than I
want to make osmotic shock. Many people say many things about
proportions of Tris, sucrose, EDTA solution vs volume of culture after

All,
why cant we hear a news like..
"Mosquitos in the verge of extinction !"
"Killer disease spreading among mosquitos !"

Hi this is Swapnil from India currently completing my last year in
Zoology can anyone suggest me a best option in Biotech field for a Zoo
student I am intrested in Animal Boitech and Microbiology but if u ppl
have any other upcoming fields in ur minds please do suggest

Hi, Everyone!
I was thinking that HIV is mimicking our immune system. The mechanism
behind immune response is antibody generation which requires variation
in the genome of plasma B cells. The mechanism behind HIV escape is

Singing frog's 'ultrasonic croak'
By Helen Briggs
BBC News science reporter  
A rare Chinese frog has entered the record books as the first amphibian known to

Can anybody tell me what is exactally the use ans mechanism of an
synoptonemal complexes fromed during zygotene stage of meiosis thank
you.

I heard of Q-beta replicase and RNA dependent RNA polymerase but these
enzymes are proteins. I was wondering if anyone wound up discovering
RNA molecule capable of polymerizing its own copy from ribonucleotides.

Hello,everyone! These days, I was worried about a topic my tutor gave
me ,about  the microbial synthesis of 3-dehydroshikimic acid.But I have
little information about this.So I hope someone can give me some help!
Thanks! By the way,I found an article, titled "Fed-batch fermentor

I don't know what is the best way to ask this, so I'm going to say it
in my plane language.
Is it possible to change the structure of chemicals with radio
frequency..?

The mother cat says this "drrrrr" upon meeting her in the morning. Her
siblings of a brother says this same "drrrrrr" as well as her sisters.
Has anyone tried to figure out what a cat behaviour that causes this
"drrrr".

Recently a farm in France had bird flu and now a cat in Germany is
found with bird flu. Some months back I thought the chance of a world
wide pandemic was low and slim. But now I judge that it is better than
50% for a pandemic outbreak. If it becomes pandemic as the flu of the

I am currently working as a software engineer in india.
I have always had a fascination for biology. Now i am thinking of a
career switch the biotech field. What would be the best course to take.
Kindly advice.