Search found 63 matches

by pankaaj
Thu Mar 27, 2008 11:27 am
Forum: Evolution
Topic: Evolution of skin color
Replies: 9
Views: 6717

Re: Evolution of skin color

i guess, We dont know what really affects skin colour in humans.So selection on what basis? And why? In human community, many factors are involved in selection like intellectual powers, way of thinking, social and economical status etc. Skin colour is negligible, a character in selection! I would li...
by pankaaj
Thu Mar 27, 2008 4:19 am
Forum: Zoology Discussion
Topic: Tiger stripes
Replies: 5
Views: 7950

Re:

The black stripes might be a mimic of the less threatening zebra. Siberian tigers are ancestors of all other tiger species. They have these stripes, black and yellow. Does it function to camoflauge in siberia? Siberia has that yellow grass to hide in? In zebras and elephants , body parts such as bl...
by pankaaj
Thu Mar 27, 2008 4:14 am
Forum: Evolution
Topic: Evolution
Replies: 4
Views: 3981

Re: Evolution

most of the drive is based on mere observations.Conversion of one art form into another is the function of brain only; I guess , art forms did not evolve one after another. We dont know what was the mother art. To search this concept of art, we have to first define it clearly. An art can be of good ...
by pankaaj
Wed Mar 26, 2008 3:42 am
Forum: Zoology Discussion
Topic: Tiger stripes
Replies: 5
Views: 7950

Tiger stripes

What is the function of tiger stripes? (i.e. those black bands on tiger skin)
One function can be temperarture regulation due to different responses of yellow and black colours to sunrays and another function might be for camoflauge during hunting...
Does camoflauge a real function of these bands?
by pankaaj
Fri Mar 14, 2008 10:03 am
Forum: Molecular Biology
Topic: lysozyme doubt...
Replies: 2
Views: 2054

It will kill bacterial cells present in CSF. No effect on animal cells
by pankaaj
Sat Mar 31, 2007 9:54 am
Forum: Evolution
Topic: Dominance
Replies: 5
Views: 2948

Its like that only ...only thing is that we dont call it evolution/adaptation..we call it dominance!
Accordin to Hardy Weinberg equalibrium the removal of allele needs a lot of time and it is impossible in Natural Populations hence onlt recessive gets survived ( in the form of Heterozygots also)...
by pankaaj
Mon Mar 19, 2007 11:15 am
Forum: Evolution
Topic: Dominance
Replies: 5
Views: 2948

Dominance

Has dominance evolved? I mean..wat is the exact concept of Dominance/recessive allel?
by pankaaj
Mon Mar 19, 2007 11:10 am
Forum: General Discussion
Topic: Rate of Respiration ... ?
Replies: 6
Views: 2227

I think co2.
As it is first involved in the reaction.
by pankaaj
Mon Mar 19, 2007 11:08 am
Forum: General Discussion
Topic: Please help me with Biology Homework-Energy Budget!!
Replies: 2
Views: 3344

Will u pls tell me the basics behind it!
I mean..formula..
by pankaaj
Thu Jan 18, 2007 1:01 pm
Forum: Evolution
Topic: Where are we heading to ?
Replies: 28
Views: 16492

Re: Where are we heading to ?

Weather you believe in Darwin or Creation, I think we all can agree that evolution does take place on a species wide basis to adapt the species to the ever changing environment and produce a stronger, healthier species. So consider this. With modern medicine, we have the ability to turn the least a...
by pankaaj
Wed Jan 17, 2007 1:15 pm
Forum: Human Biology
Topic: sex orientation
Replies: 14
Views: 9677

Lot of things matter!
Like environment of body,mind etc. & after all its just for survival;
but if survival comes with satisfaction then why to hesitate such a pleasure?
by pankaaj
Wed Jan 17, 2007 1:11 pm
Forum: Human Biology
Topic: Nerve Memory
Replies: 6
Views: 4461

Nerve Memory

Ok guys,
After so many days..
The ques is Does nerve endings possess memory?