Search found 100 matches

by bionewbie
Thu Feb 11, 2010 12:32 am
Forum: Human Biology
Topic: eye are window to your health?
Replies: 4
Views: 6359

Visualization using an opthalmoscope allows you to see the structures in the ocular fundus - optic disc, retinal vessels, general background and macula. Abnormalities in these areas can give you insight into different disease states. (I'm not sure if you want details about that). The retinal vessels...
by bionewbie
Thu Apr 12, 2007 1:14 am
Forum: Human Biology
Topic: troponin
Replies: 2
Views: 4505

Troponin is a serum cardiac marker that is released into the blood in large quantities from the necrotic heart muscle after a heart attack. It is a very good indicator because it remains elevated two weeks after the initial attack. Also, as a myocardial muscle protein, it has a very specific amino a...
by bionewbie
Tue Oct 03, 2006 7:59 pm
Forum: Cell Biology
Topic: Peroxisomes
Replies: 5
Views: 4127

Peroxisomes

Hi, I just have a really quick question: what is the origin of peroxisomes - is it from the ER or the Golgi? The reason that I am confused is because peroxisomes are very similar to lysosomes, but they are different organelles. I just need some clarification. Thanks
by bionewbie
Wed May 31, 2006 3:37 am
Forum: Cell Biology
Topic: Fluid Shift
Replies: 0
Views: 1433

Fluid Shift

Would somebody please explain to me the difference between oncotic pressure and hydrostatic pressure and they relate to fluid shift in the body?
by bionewbie
Tue Apr 25, 2006 1:53 am
Forum: Human Biology
Topic: infectious diseases
Replies: 8
Views: 4656

Khaiy wrote:Sorry bionewbie, your thread got hijacked!!


pdavis68 wrote: You are right, we've gone a bit afield of the original question.


no prob, i'm learning a lot from you both. i just pose the question just because i thought it would be interesting. also, it *is* very practical to everyday life.
by bionewbie
Thu Apr 20, 2006 1:27 pm
Forum: Human Biology
Topic: infectious diseases
Replies: 8
Views: 4656

On a separate note, but related to infectious diseases ... you know it's that time of year when colds and flus are prevalent (especially if you are sitting in an exam with all the coughers, snifflers, nose-blowers etc - you guys know what I mean), so anyways, why do humans "catch" a cold y...
by bionewbie
Thu Apr 13, 2006 2:27 am
Forum: Human Biology
Topic: infectious diseases
Replies: 8
Views: 4656

infectious diseases

Why are measles so contagious?
by bionewbie
Mon Apr 10, 2006 2:51 am
Forum: Evolution
Topic: adaptation vs exaptation
Replies: 6
Views: 16320

well, i know that analogous structure deals with characteristics that perform similar functions but not the same evolutionary origin. homologous structure, on the other hand, deals with characteristics that share a common ancestor but not for the same function.
by bionewbie
Sun Apr 09, 2006 2:53 am
Forum: Evolution
Topic: adaptation vs exaptation
Replies: 6
Views: 16320

so how do these two terms relate to analogous and homologous structures?
by bionewbie
Sun Apr 09, 2006 2:18 am
Forum: General Discussion
Topic: homologous vs analogous
Replies: 4
Views: 75393

this may sound really silly, but how would you know that they are part of the evolutionary history or share common ancestors?
by bionewbie
Sun Apr 09, 2006 12:39 am
Forum: Evolution
Topic: adaptation vs exaptation
Replies: 6
Views: 16320

adaptation vs exaptation

Hi, I would really appreciate if somebody wouldn't mind explaining to me the difference between adaptation and exaptation? How does these two terms relate to evolution?
by bionewbie
Sun Apr 09, 2006 12:35 am
Forum: General Discussion
Topic: homologous vs analogous
Replies: 4
Views: 75393

homologous vs analogous

Would somebody mind explaining to me the differences between homologous vs analogous parts? I have a lot of trouble with understanding the connection between the two terms.