Search found 585 matches

by sdekivit
Mon Aug 01, 2005 3:53 pm
Forum: General Discussion
Topic: I Have Some Biology Questions
Replies: 42
Views: 30954

nope i don't think so. Homework is given to investigate it by your own, so you get insight in the subject. And investigate something on your own will lead to better results :)
by sdekivit
Mon Aug 01, 2005 9:57 am
Forum: Genetics
Topic: Trisomy 21
Replies: 3
Views: 8137

it's possible, but only in about 5 % of the cases. There are 3 forms of trisomy 21. To read more about it, check the following link:

http://www.altonweb.com/cs/downsyndrome ... court.html
by sdekivit
Mon Aug 01, 2005 9:03 am
Forum: Molecular Biology
Topic: what is PDB?
Replies: 9
Views: 4959

structure can be analized, to investigate how the proteins behve and bind to other molecules for example.
by sdekivit
Sun Jul 31, 2005 4:33 pm
Forum: General Discussion
Topic: Phenol red
Replies: 13
Views: 17557

Poison wrote:I don't remember anybody asked the equilibrium but thanks for informing us.. :)


it's just to show that the solution becomes acidic.
by sdekivit
Sun Jul 31, 2005 4:32 pm
Forum: Cell Biology
Topic: Erythrocytes, cell of not?
Replies: 60
Views: 37722

Oops sorry, my dear. I think I should change my glasses http://i6.photobucket.com/albums/y212/YSASmileys/26.gif Back on topic, I did a little investigation under microscope of human blood preparation mixed with venom from Naja naja (cobra). The result was amazing. Previously, I investigated the ven...
by sdekivit
Sun Jul 31, 2005 3:58 pm
Forum: General Discussion
Topic: Phenol red
Replies: 13
Views: 17557

CO2 in the air is in equilibrium with carbonic acid: CO2(g) + H2O <--> H2CO3 Carbonic acid is in equilibrium with bicarbonate: H2CO3 <--> HCO3(-) + H(+). That's why a solution becomes acid when there is CO2. To get the pH constant, for example in a tissue culture to keep the pH at a constant value. ...
by sdekivit
Sun Jul 31, 2005 2:21 pm
Forum: Cell Biology
Topic: Secretory lysosmes HELP!!!
Replies: 4
Views: 4013

what do you mean by secretory lysosomes? Lysosomes are found in the cytosol of the cell and stain black at EM.
by sdekivit
Sun Jul 31, 2005 12:43 pm
Forum: Molecular Biology
Topic: what is PDB?
Replies: 9
Views: 4959

The meaning depends on which field the term is. I study Immunobiology and in my field PDB is "Protein Data Bank", a single worldwide repository for the processing and distribution of 3D biological macromolecular structure data. i totally agrre --> my book 'Biochemistry' by Jeremy M. Berg et al stat...
by sdekivit
Sat Jul 30, 2005 7:23 pm
Forum: Molecular Biology
Topic: bacterial mutation
Replies: 3
Views: 2906

you can isolate the DNA and do a restriction enzyme analysis (separation by gel electroforesis) and then do a Southern blot. You can then compare the fragments of good growing bacteria versus bacteria that are under stress.