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A gene refers to the position on a chromosome which codes for a particular characteristic e.g. eye colour while An allele refers to alternative forms of the gene or characteristic e.g. brown or blue eye colour

ur mums a negative feedback mechanism

i slept at like midday and woke up at 5pm :P i can last til the end of the exam and more, hehe no caffeine either im used to it. ive done it for the past 100 exams lol if i really need it, 2 hours of sleep and its like a new day master crammer here

no sleep tonight come join me in the study thread if you're still up =P

thanks for confirming that guys, lol it was from a q in the 2007 MC

A quick question, what materials do the xylem transport? 'water and mineral ions'?

hahaha he bluffed it.. he doesnt have anything probably ran away after that lol

dont worry, it wont affect much or at all if your other subs are good you cant be THAT screwed for bio still 12 hours left cram cram cram each mark is +0.5 uai lolol

thanks dolbinau shall look into those hehe is the advice line still open?

well, it never ends with bio, lol u can keep studying forever also, it'll be hard to retain the memory of such a large syllabus you might have to revise more

sup guys whos staying up to cram? im gonna pull an allnighter, havent touched communications lol

lol ok gl

go study =P

in success one, they add how animals should correctly interpret mating signals or their species will die out touch and stuff or they might think the other animal wants to fight, lol there are more, but i forget

HAHA, nope =] fairfield lol

thats sooo stupid lol that marking is TOO hard ahaha you get 0 for giving the correct answer :P

lol, the toothpick one fits that question perfectly thats really strange..

wow, are you serious what exactly was the question, lol if its modelling the process of natural selection, the toothpick one should have got you full

we used pieces of cheese all handled differently and then sealed inside petri dishes. lol, we all did different for pasteur

more than enough