Qualification > Sciences
Biology Paper 1 and 3 help HERE ONLY!!!
IGStudent09:
Organisms in their environment notes
MIU:
cud some1 plz send me the oct/nov 2008 physics p1 + ms because its not downloading from freeexampapers. my email is mu_1031@hotmail.com. il realy appreciate.
nid404:
attached
Coco:
--- Quote from: kim on June 04, 2009, 03:19:14 pm ---
--- Quote from: kim on June 04, 2009, 03:11:41 pm ---cud sum1 explain the nitrifying denitrifying nitrogen fixing bacteria?
wat does the nucleus in every body cell of a male contain?
X allele
y allele
y chromosome
y gene
--- End quote ---
would sum1 please answer me?!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! >:(
--- End quote ---
Nitrifying bacteria converts the nitrogen in the air (in the soil) in to nitrate ions which is a source of protiens for plants.
Denitrifying bacteria converts these nitrate ions back into nitrogen and releases it in the air.
Y allele
kam:
--- Quote from: Coco on June 04, 2009, 04:50:11 pm ---
--- Quote from: kim on June 04, 2009, 03:19:14 pm ---
--- Quote from: kim on June 04, 2009, 03:11:41 pm ---cud sum1 explain the nitrifying denitrifying nitrogen fixing bacteria?
wat does the nucleus in every body cell of a male contain?
X allele
y allele
y chromosome
y gene
--- End quote ---
would sum1 please answer me?!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! >:(
--- End quote ---
Nitrifying bacteria converts the nitrogen in the air (in the soil) in to nitrate ions which is a source of protiens for plants.
Denitrifying bacteria converts these nitrate ions back into nitrogen and releases it in the air.
Y allele
--- End quote ---
nope not Y allele
its y chromosome
wahab answered tht By the way
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