Search found 23 matches

by teenager witch
Wed Jun 29, 2011 10:40 pm
Forum: PDF & Doc Files
Topic: summary of cell division
Replies: 9
Views: 25810

Finally...It worked out
well done..thank you
by teenager witch
Mon Jun 22, 2009 7:53 pm
Forum: Biology Movies
Topic: http://www.beyondbiology.org
Replies: 8
Views: 18121

It is an amazing website.thanxs for sharing.
by teenager witch
Mon Feb 02, 2009 5:55 pm
Forum: PDF & Doc Files
Topic: summary of cell division
Replies: 9
Views: 25810

I tried to download the file many times but I could not?!!
by teenager witch
Tue Jan 06, 2009 12:23 pm
Forum: Cell Biology
Topic: A question about cellular respiratin
Replies: 2
Views: 1141

Thanks for your help.
by teenager witch
Sun Jan 04, 2009 1:07 pm
Forum: Cell Biology
Topic: A question about cellular respiratin
Replies: 2
Views: 1141

A question about cellular respiratin

Good evening. How are you everyone?
I think there are two answers to this question both B & D. Am I right?
Which statement is correct about cellular respiration:
A. glucose binds with O2
B. glucose loses H2
C. glucose binds with H2
D. glucose loses electrons

Thank you in advance.
by teenager witch
Thu Jan 10, 2008 7:59 am
Forum: Genetics
Topic: The DNA synthesis phase
Replies: 5
Views: 2369

I believe the same....thank you for your reply.
by teenager witch
Wed Jan 09, 2008 1:03 pm
Forum: Genetics
Topic: The DNA synthesis phase
Replies: 5
Views: 2369

The DNA synthesis phase

Hello..how are you everybody? :)
When the cell has the whole group of chromosomes, we say it is (2n) and when it has half the group of chromosomes, it is(n).The question is when the human cell is in the DNA synthesis phase would be right to say that the cell is (4n) and has 92 chromosomes or we can't?
by teenager witch
Wed Jan 09, 2008 12:22 pm
Forum: Human Biology
Topic: viruses
Replies: 8
Views: 2590

Until now nobody knows how HIV actually works in human body,I once saw a graph of(number of HIV in blood of patient vs years)showing that the number of HIV increases in the first year then it drops and stays stable for five years.After five years the concentration of HIV raises gradually until the p...
by teenager witch
Sun Feb 11, 2007 2:01 pm
Forum: Human Biology
Topic: myasthenia gravis
Replies: 0
Views: 2424

myasthenia gravis

helloo, My friend is suffering from myasthenia gravis from she was nine year old. she is now 21 year old.she is taking some medicines to fight the symptoms.medicine is not that developed in my country and it is a rare disease here.Doctors are not very useful.We know how the disease happens but if an...
by teenager witch
Sun Feb 11, 2007 9:16 am
Forum: Botany Discussion
Topic: Microwaved Water
Replies: 26
Views: 20465

ya it was silly of me to say that
by teenager witch
Sat Feb 10, 2007 8:02 am
Forum: Botany Discussion
Topic: Microwaved Water
Replies: 26
Views: 20465

ok..maybe plant died because there is no oxygen in the water.when we heat water,all oxygen molecules escape.
by teenager witch
Thu Feb 08, 2007 8:22 am
Forum: Botany Discussion
Topic: Microwaved Water
Replies: 26
Views: 20465

Is there any difference between micrwaved water and purified water?
maybe microwaved water absorbes some radiation?