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yeah prob... but slow and steady winds the race ryt? :)
yeah prob... but slow and steady winds the race ryt? :)- daredevil
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AS LEVEL BIOLOGY... discuss here AS students only :)
i hope u get a better idea with this (y) -
AS LEVEL BIOLOGY... discuss here AS students only :)
in AS we are not exactly required to know the actual bonding and stuff but from the name u can gather that there is a -C-O-C- bond and a phosphate group in what ever the molecule is and thats all u need to know i think. but just for the sake of it here's a bit of an explanation u see this... -
AS LEVEL BIOLOGY... discuss here AS students only :)
photodiester?? r u sure u got the spellings ryt?? i know about phosphodiester but never heard of photodiester o_O -
AS LEVEL BIOLOGY... discuss here AS students only :)
true that -_- -
AS LEVEL BIOLOGY... discuss here AS students only :)
hahha thats a little wishful don't u think :P i jst wish we all get As and thats it! to hell with the gt and the paper :D -
AS LEVEL BIOLOGY... discuss here AS students only :)
yeah.... i wish for smooth sailing... like in the previous papers of maths chem and phy :D that wud be rad!! :D -
there should have been a like button for the comments.... ah well here;s to u buddy (y) :)
there should have been a like button for the comments.... ah well here;s to u buddy (y) :)- daredevil
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AS LEVEL BIOLOGY... discuss here AS students only :)
no i think the adaptation for more water to pass is that there is no cytoplasm or anything in the xylem [its hollow]. the lumen is narrow for the capillary action... i think thats the way it goes -
AS LEVEL BIOLOGY... discuss here AS students only :)
adding to what HubbaBubba already said... it actually helps in transport of water by capillary action. that needs a narrow lumen so it helps :) -
AS LEVEL BIOLOGY... discuss here AS students only :)
i wish... because that is like the SINGLE most decent chap of the whole book _-_ that keeps bio running for me otherwise its all a load of crap -__- x.x -
AS LEVEL BIOLOGY... discuss here AS students only :)
Nutrophils are produced in the bone marrow and patrol the blood vessels. they can squeeze out of the blood vessels and access the infected region. they engulf the foreign particle by phagocytosis. they have a short life span and are non-specific. Macrophages reside in organs like lover, kidneys... -
AS LEVEL BIOLOGY... discuss here AS students only :)
oh okay.... thanks :) -
AS LEVEL BIOLOGY... discuss here AS students only :)
can someone tell me the effect of wind velocity on the rate of tranpiration and its explanation... like i know that until a certain wind velocity the rate increases but after that increase in wind velocity results in a decrease in the rate of transpiration. but why? -
AS LEVEL BIOLOGY... discuss here AS students only :)
the question has come in some past papers so u might as well know the whole deal. if u don't have it then tell me and i'll give u the notes or u can c in the bio book AS wali. =) -
AS LEVEL BIOLOGY... discuss here AS students only :)
(a) define the term disease (see page 37) and explain the difference between an infectious disease and non-infectious diseases (limited to sickle cell anaemia and lung cancer; this is the part of syllabus dealing with sickle cell anaemia but in my notes the cause of sickle cell anaemia is... -
AS LEVEL BIOLOGY... discuss here AS students only :)
sorry for my mistake Ahmed -
then atleast that is something we get to celebrate.... the way pti fought gave the sher a real...
then atleast that is something we get to celebrate.... the way pti fought gave the sher a real run for their money and that says quite a whole lot about everything so i'm not disappointed yet becz in the foreseeable future pti is going to lead . u just wait.... tabdeeli arahi hai...patience and...- daredevil
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AS LEVEL BIOLOGY... discuss here AS students only :)
ooh thanks for the correction :D (y) -
AS LEVEL BIOLOGY... discuss here AS students only :)
wen the mRNA brings out the tempelate from the nucleus to the RER the next step os to make another template mirroring that one. making dna is protein synthesis basically. first a ribosome attaches to the mRNA then the tRNA comes in and starts attacthing itself as per complementary base pairs...