Qualification > Sciences

Biology Paper 1 and 3 help HERE ONLY!!!

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Malak:

--- Quote from: kam on June 07, 2009, 06:32:35 pm ---
--- Quote from: ang3l on June 07, 2009, 06:29:54 pm ---
--- Quote from: kam on June 07, 2009, 06:27:35 pm ---
--- Quote from: monnie on June 07, 2009, 06:10:50 pm --- it says in the syllabus and that's a quote " discuss the use of hormones in food production"
wt is that and wt is the use of hormones in food production?
Thanks alot and whoever answers first a good answer will get a +rep
ok? Thanks
also what is meant by dormancy?
good luck to all


--- End quote ---


farmers add hormones to animals to make em produce wot they want
eg adding bovine somatotropin to cows to get em to make more milk
gettit?


and can someone explain amnion and amniotic fluid
plzzz

--- End quote ---

Amnion is a Sac which secretes amniotic fluid
Amniotic fluid protects the Fetus n is like a shock absorber..

--- End quote ---
thts all we need to know right???
+rep, ur first hehe

--- End quote ---
Yeah lol i guess...so far thats the detail i have seen in PP
n thx for the rep  :)

Feva:
Whats the "function" of the lymphatic system, i know what it is, but i dont know its specefic function

Malak:

--- Quote from: Feva on June 07, 2009, 07:38:19 pm ---Whats the "function" of the lymphatic system, i know what it is, but i dont know its specefic function

--- End quote ---

1.It produces Lmyphocytes which produce anti-bodies to defense against disease
2.It remove unwanted materials from lymp
3.Removes excess tissue fluid and returns it to the bloodstream

hope that helps..

IGCSE hater!:
can you help me wid biotechnology

reishamix:
hey
cud u plz summarise the main point ov de diffrnc btween

fungi bacteria n viruses??


Thanks!!

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