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AQA BIOL4 - 13th June 2014 - Unofficial Markscheme

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is ammonia a biological molecule?

I would say it depends on the examiner. Although I would say not, it's not really a biological molecule its just a compound.

Reply 161

EcologyMike

DNA is a Biological molecule with Nitrogren right? It has Nitrogenous bases.

Reply 162

The Lawful T.J

Original post by EcologyMike

DNA is a Biological molecule with Nitrogren right? It has Nitrogenous bases.

Yes. I put DNA, and I'm positive that it is a biological molecule.

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Reply 163

EcologyMike

Original post by The Lawful T.J

Yes. I put DNA, and I'm positive that it is a biological molecule.

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woot

Reply 164

SosaBabyy

would I get 4 marks on q9 part two for just talking about (fully explaining) about how co2 ontributes to global warming....i only mentioned combustion of FF and deforestation..but explained them both, and statetd tht co2 is a greenhouse gas..?

a

Reply 165

gsmakan

Is this GCSE or A level?
Please message me asap I have my mocks in 3 days

Reply 166

The_Blade

Original post by gsmakan

Is this GCSE or A level?
Please message me asap I have my mocks in 3 days

Yellow diamonds in the light

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Reply 167

gsmakan

Is this GCSE of a level

Reply 168

The_Blade

Original post by blackers9

Isn't the last question mark-release-recapture?

Why are you bring back painful memories

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Reply 169

zak7399

Original post by The_Blade

Why are you bring back painful memories

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Is this b2 aqa gcse or a-level?

Reply 170

junjun

On q4 females are xx and males are xx??

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Is this for last years Summers exam

Reply 173

boos63

could you not use population density on the last question (bluebell Q)

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AQA BIOL4 - 13th June 2014 - Unofficial Markscheme

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