Search found 25 matches

by Maatomaat
Thu Nov 24, 2011 10:40 am
Forum: Cell Biology
Topic: Plant vacuole
Replies: 8
Views: 10907

Re:

I don't get the consistency issues. What do you mean? Is there a difference in the viscosity of vacuolar and cytosolic fluids? How consequence does that have? If we name water's volum in vacuole-cytoplasm "a"-"b" and total volume of vacuole-cytoplasm "c"-"d";...
by Maatomaat
Wed Nov 23, 2011 6:15 pm
Forum: Cell Biology
Topic: Plant vacuole
Replies: 8
Views: 10907

Re:

JackBean wrote:what consistency?
o my knowledge, the vacuole sets the cell's turgor.

WATER consistency sir.
by Maatomaat
Wed Nov 23, 2011 1:20 pm
Forum: Cell Biology
Topic: DNA count in meiosis
Replies: 1
Views: 1717

The way is same as chromosome counting way.
by Maatomaat
Wed Nov 23, 2011 1:11 pm
Forum: Cell Biology
Topic: Collagen
Replies: 6
Views: 6141

Re: Collagen

I found the answer from flowing website :mrgreen:
http://www.visualhistology.com/products ... issue.html
The answer is Dense Irregular Connective Tissue. :wink:
by Maatomaat
Wed Nov 23, 2011 11:32 am
Forum: Cell Biology
Topic: Cells
Replies: 9
Views: 9473

Re: Cells

It's because of that: 1- If volum of cell be big, it's surface area will be small and it's not good for cells. 2- If volum of cell be big, distance that a molecule must cover will be long, so cellular reactions will be slow and it's not good for cells. 3- If volum of cell be big, cell wouldn't contr...
by Maatomaat
Wed Nov 23, 2011 11:00 am
Forum: Cell Biology
Topic: Plant vacuole
Replies: 8
Views: 10907

Re:

it should be isotonic, otherwise there would be flow of water either inside or outside How can it be isotonic when there is a big difference between vacuole's and cytoplasm's consistency?! In my point of view it's hypotonic to the cytoplasm but tonoplast that is around of the vacuole ,doesn't allow...
by Maatomaat
Wed Nov 23, 2011 9:48 am
Forum: Cell Biology
Topic: Mitochondrial energy pathways
Replies: 9
Views: 10962

Re: Mitochondrial energy pathways

Glycolysis is a stage of cellular respiration.
I attached this image that is a page of "Campbell Biology book" to prove it:
http://uploadkon.ir/uploads/479b3759080 ... 5ce24a.jpg
by Maatomaat
Wed Nov 23, 2011 3:12 am
Forum: Cell Biology
Topic: fructose as a monomer for a polysaccharide
Replies: 9
Views: 19091

Re: fructose as a monomer for a polysaccharide

I'm really appreciate it dear Daniel.kurz.
by Maatomaat
Tue Nov 22, 2011 11:57 am
Forum: Cell Biology
Topic: fructose as a monomer for a polysaccharide
Replies: 9
Views: 19091

Re:

The short answer is that is unfavorable for this to happen. Glucose does polymerize because it is favorable. The energetics of the reaction are favorable because glucose has a reactive hydroxyl group that is made reactive by the fact that glucose in the 5 carbon ring with an oxygen bound up is a he...
by Maatomaat
Tue Nov 22, 2011 11:38 am
Forum: Cell Biology
Topic: fructose as a monomer for a polysaccharide
Replies: 9
Views: 19091

Re: fructose as a monomer for a polysaccharide

daniel.kurz wrote:
DanielSan wrote:
daniel.kurz wrote:Fructose is what carbohydrate chemists call "non-reducing"


Fructose is a reducing sugar (ketone group)...


That's news to me. Please show me this reducing ketone group?


please see this picture
http://www.whisky.de/archiv/experte/images/fructose.gif
c=o is ketone group.
by Maatomaat
Sun Nov 20, 2011 6:53 pm
Forum: Cell Biology
Topic: Collagen
Replies: 6
Views: 6141

Re:

JackBean wrote:bones contain collagen? Since when?

http://en.wikipedia.org/wiki/Collagen

please see your suggested website first.
bones contains collagen.
by Maatomaat
Sun Nov 20, 2011 5:35 pm
Forum: Cell Biology
Topic: Collagen
Replies: 6
Views: 6141

Bone(Osteous tissues) is the answer.