Search found 6 matches

by Mooks
Mon Mar 20, 2006 10:48 pm
Forum: Cell Biology
Topic: Cell Permability
Replies: 6
Views: 29491

ques. 1 more refers to the blood cells, ie. will the "RBCs" be ___ to the solution... i know they will lyse but is that hypo or hyper? in my digram it lists hypo, but for the defeiniton of hyper (lower water concentration than other side of cell membrane) it describes this process of wate...
by Mooks
Mon Mar 20, 2006 4:45 am
Forum: Human Biology
Topic: affect of anti-wrinkling creams?
Replies: 1
Views: 1528

affect of anti-wrinkling creams?

what effect does anti-wrinkling creams have on your skin in the LONG-TERM? the reason why i ask is because im only 19 but have started using anti-wrinkling cream to treat my skin as i have ACNE. Since using the cream my skin feels so much better and appears healthier and for once my face is Pimple-f...
by Mooks
Mon Mar 20, 2006 4:13 am
Forum: Cell Biology
Topic: Cell Permability
Replies: 6
Views: 29491

1. A patient loses alot of blood and a large amount of water is directly injected into his viens, the result of this will be? Im not sure exactly what you mean(in terms of the Text books answer), but i would say that they may be refering to the injected solution as being hypotonic (Obviously) Water ...
by Mooks
Mon Mar 20, 2006 2:57 am
Forum: Cell Biology
Topic: Iso-osmotic Vs Isotonic :?:
Replies: 8
Views: 59670

No its different. Osmolarity is the total sum of molarities of the PARTICLES in a solution right? well Iso-OSMOTIC is the term used for two solutions who's OSMOLARITY are equal...... Iso-TONIC however is or refers to a solution with the same SOLUTE concentration. In a solution, some compounds tend t...
by Mooks
Sun Mar 19, 2006 9:24 am
Forum: Cell Biology
Topic: MEMBRANE
Replies: 2
Views: 2329

From transport point of view there are 2 classes- active [ energy-dependant] and passive[ energy independant]. Now , in this context what do u thing would be the difference between an alive and a dead cell? Now, do you think that both of these [ active and passive] can occur in dead cells? hrushike...
by Mooks
Sun Mar 19, 2006 8:51 am
Forum: Cell Biology
Topic: Iso-osmotic Vs Isotonic :?:
Replies: 8
Views: 59670

Iso-osmotic Vs Isotonic :?:

We had a Prac a few weeks ago that involved investigating membrane permeability and tonicity. Although i got a good mark for my prac report...there are still areas i JUST CAN'T fully comprehend or am confident about. Such as the concept of Iso-osmotic Vs Isotonic. How is it that a solution that star...