Qualification > Queries

BIOLOGY PAPER 2

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sizbeauty:
i got this guess ppr frm frend of mine(itz almost same)..

*Gaseous exchange
*Infectious diseases
*Immunity
*Transport: in plants- all the pathways in the cell (apoplast n symplast)
in humans- cardiac cycle, pressure graph, etc...
*Nitrogen cycle

Nera_egypt:
@crispy5500

Actually I didn't guess these it is my teacher and he says these topics were not given enough importance in the past few papers so he expects them 2 come. And well I think these are the most difficult topics

crispy5500:
Thanx for the info nera!! ;D

Candela:

--- Quote from: sizbeauty on May 13, 2010, 02:36:45 pm ---i hav a ques,plz sm1 ans..
suggest four reasons why mammals might store lipidz in preference to carbohydrates?(oder than high calorific value and high metabolic water produced,dese two were already givvn in ques)

--- End quote ---
wat paper is this?! because i think its an A2 Question.(respiration)
well...its bcoz lipids hav high energy density due to greater no.of Hydrogen.

sizbeauty:
well it was in a worksheet given by ma teacher, n lis ma teacher told me tht whnever u mention ans in termz of energy,u hav to talk about no of hydrogen-carbon bondz bcoz it is de oxidation of mainly carbon tht releases energy(u jus said no of hydrogen atomz in ur ans)

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