Natural Science Forum / Biology / Microbiology / September 2004

I have to choose my university courses in a few weeks and I am stuck between
microbiology and molecular biology as my first choice.
I am interested in a research career, probably in immunology and I was
wondering which would be the best suited for this.

human dna consist of adenine,guanine,cytosine & thymine..but in rna
cytocine isreplaced by uracil why is it so?????

This document caught my attention, is it possible in the forseeable
future to use genetic engineering to create a new human like species?
Please read it and post any helpful comments.
Mr. Johnson

The file CellAtoms.pdf shows the principal cellular atoms in epn
detail. Each of these atoms is thought to be an ion by those who are
unfamiliar with the forms and structures of the atomic elements which
follow from the discovery that their periodicity is octahedral.

Required to sterilize a commercial sauna on a regular basis.
Chlorine & bromine are too corrosive.
What about formaldehyde or glyoxal?
We also need an anti-fungal and a miticide an an insecticide as well.

Hello,
This week in my Bio Lab class, our instructor had us bring in pond
water and look at it through a microscope.  Our assignment is to pick
out one of the small bugs and try to research and find out exactly

I am trying to isolate RNA of bacteria from infected mammalian macrophage
culture. When I isolated the RNA I can see some bands indicating
presence of mammalian RNA inaddition to my bacterial RNA. I was wondering is
there any way to isolate only the Bacterial RNA, not mammalian ...

Good day
I am working in the area of biofouling and for some time on bacterial
biofilms.
I want to start a study on biofilm formation by cyanobacteria and

Is this the right place to ask a question on DNA?
I am wondering how far DNA goes in identifying family members and how far
back can it accurately determine blood relationship?
I have heard you can test to determine parnet child relation but is that DNA

Don't know whether this is the right place to post this observation
and question. I like to look a micro-organisms. I have a variety of
jars with dead leaves, sand, a few plants etc, that I picked up from a
variety of ditches, ponds and swamps. Each one being a very distinct

I am going to express a protein in E. coli host cells (to be precise
BL21 (DE3) cells) and the instructions say that the induction of
protein synthesis through IPTG is to be started at an OD of 0.6, which
is easy enough.

Just doing a project for an intro microbiology subject and one of the
questions is :`Describe how a single colony originates'
Now I've had a bit of a look around as well as a good look throught
the presribed textbook and the explanations are pretty dry and lack

How to prepare a 100% (w/v) of TCA (trichloroacetic acid)?

hi, I'm wondering if anyone knows how to prepare a 100% Tricloracetic
Acid (TCA)? This acid comes in forms of crystals.
thanks

Opinions on best places (in addition to ASM) to post microbiology career
opportunities?
We plan to start searching in October for a senior microbiologist with
specific expertise in antibiotic pharmacodynamics, susceptibility testing,