Search found 8 matches

by rui_benfeitas
Sat Jan 26, 2008 12:31 am
Forum: Cell Biology
Topic: SOS...please help, Na+/H+ pump problem
Replies: 1
Views: 3793

Re: SOS...please help, Na+/H+ pump problem

Well then, you know that the Na+/H+ pump works by coupling the Na+ transportation into the cell to the transportation of H+ to the extracellular fluid, and that for each atom of Na+ that it is transported across the cell, there is one H+ transported the other way. Further more, you should aknolwedge...
by rui_benfeitas
Fri Dec 07, 2007 8:16 pm
Forum: Microbiology
Topic: Bubonic plague - yersinia pestis info please
Replies: 5
Views: 7116

Thx Patrick.
You helped me a lot with that article! =D
by rui_benfeitas
Sat Dec 01, 2007 6:05 pm
Forum: Microbiology
Topic: Bubonic plague - yersinia pestis info please
Replies: 5
Views: 7116

I tried medline, but i wanted to find a specific mechanism about what the bacteria (Yersinia pestis) do in the lungs when they infect someone. Does anyone know where can i find some articles about this?
by rui_benfeitas
Wed Nov 28, 2007 6:39 pm
Forum: Microbiology
Topic: Bubonic plague - yersinia pestis info please
Replies: 5
Views: 7116

Bubonic plague - yersinia pestis info please

Hi!
Can someone tell me of a bacteria database and any usefull websites with information about Yersinia pestis (the bubonic plague bacteria) like:

infection mechanisms
molecular properties of the infection

Thanks in advance
by rui_benfeitas
Sun Feb 18, 2007 3:01 pm
Forum: Molecular Biology
Topic: Protein-biomolecules
Replies: 4
Views: 7514

He he he he he he 8)
by rui_benfeitas
Sat Feb 17, 2007 1:24 pm
Forum: Molecular Biology
Topic: Protein-biomolecules
Replies: 4
Views: 7514

Replies

Hello! Let me try and answer your questions. 1.How does the shape of protein(a-helix, B-Sheet and random loops) affect on the functions of protein? In my opinion, i think the difference is just the shape but the sequence of amino acids is not changed. If you have a protein with a certain sequence of...
by rui_benfeitas
Sat Feb 03, 2007 2:55 am
Forum: Genetics
Topic: politenic chromosomes?
Replies: 4
Views: 3708

thanks!

Yeah! It was of great help! It was a doubt I had before an exame I did and, altough I wasnt asked to tell anything about politenic chromosomes, it really was great to understand finally why they are used. And yes, they really are used in some technics where they are used as "more natural" ...
by rui_benfeitas
Sat Jan 27, 2007 2:50 pm
Forum: Genetics
Topic: politenic chromosomes?
Replies: 4
Views: 3708

politenic chromosomes?

Can someone please tell me what they are used for? I know a politenic chromosome only exists in some dipters and it is the result of replication in cells that doesnt divide (am I correct?). But dont know what they can be used for in laboratorial technics...
Please help