Biology Paper 1 and 3 help HERE ONLY!!!

[Malak]

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

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

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

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

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]

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

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!!

[monnie]

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

Functions of lymphatic system include:
1. adds lymphocytes to the blood for defence.
2. Returns excess tissue fluid to the blood as lymph.
3. Filter out bacteria from lymph by means of phagocytosis.
4. absorbs fat into lacteals of villi and discharge them to blood.

i hope that helps but don't ask me how or anything because i don't knw i just memorize.....

[sweetsh]

In Biology they don't ask alot about the details of the details of the lymphatic system the functions are good though

[Feva]

Thanks both of you, appreciated.

[reishamix]

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

fungi bacteria n viruses??




i do not ahv it in any course book ov mine

plz help??

[monnie]

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

fungi bacteria n viruses??


Thanks!!

Fungi are multiceelular organizms which have networks of hyphae called mycellium;they reproduce by production of spores and carries out saprophitic nutrition.
bacteria are unicellular organizms which hv dna and rna with no nucleus the reproduce by binary fission and their nutrition is parasitic or saprotrophic.some may have flagellum
viruses are noncellular organizms which hv dna and their nutrition is parasitic they reproduce inside a living host and hv capsid proteins along with capsumeres....

hope that helps

[Feva]

god im so tired, and i still have to go over "Reproduction" ... 

[monnie]

it is easy and um sure u knw it or at least most of it
anyways gd luck but u will nvr be more tired than me i barely slept 5 hours in the past two days my back is killing me and um not done yet

[Feva]

hehe im not gona study anything tomorrow...tired as hell

[monnie]

isn't the exam tomorow

[kam]

can someone plz explain
non-cyclical nature of energy flow