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OCR Biology F212 Revision [3rd June 2013] (Now Closed)

Reply 80

Joey952

12

Really need to get above revision !

Reply 81

GCSE-help

6

What topics do you guys think will come up in this exam? Is there some sort of pattern? It's such a massive unit, so imo luck plays a big part. People could do minimal revision but be fortunate enough to find themselves in a position where only stuff they learnt comes up, so they do well. Whereas those who did tons of revision spread evenly across the whole module, will be at a disadvantage.

Personally, I hope it's heavy on Disease and Biological Molecules.

Reply 82

otrivine

14

Original post by GCSE-help

What topics do you guys think will come up in this exam? Is there some sort of pattern? It's such a massive unit, so imo luck plays a big part. People could do minimal revision but be fortunate enough to find themselves in a position where only stuff they learnt comes up, so they do well. Whereas those who did tons of revision spread evenly across the whole module, will be at a disadvantage.

Personally, I hope it's heavy on Disease and Biological Molecules.

Hi want to revise chapter 1 and immunity :smile:

Reply 83

jamesmact

3

The January module was quite heavy on biological molecules :/ but that doesn't mean we won't get some in this June's paper. I think it's going to be quite evenly spread, and there will be lots on evolution as opposed to maintaining biodiversity. For the disease part, they may have the worldwide importance of malaria etc. and how they are transported? There wasn't any enzyme or DNA replication in the January module either

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Reply 84

thecurlymedic48

13

Quick question guys,

On the adaptation section in the textbook, it uses the example of xerophytes for each type of adaptation.

The spec doesn't say anything about knowing adaptations of xerophytes

Do you guys reckon we need to know it?

Reply 85

Sherlockedd

14

Original post by ilikebigbuttshaha

Quick question guys,

On the adaptation section in the textbook, it uses the example of xerophytes for each type of adaptation.

The spec doesn't say anything about knowing adaptations of xerophytes

Do you guys reckon we need to know it?

Yep we need to know specific adaptations, or at the very least examples of each type e.g. behavioural, physiological, biochemical etc

Reply 86

otrivine

14

Original post by Sherlockedd

Yep we need to know specific adaptations, or at the very least examples of each type e.g. behavioural, physiological, biochemical etc

hi want to continue revision with F214 :smile:

it was fun :smile:

Reply 87

cloud19

1

Does anyone know why people with emphysema find difficult when exhaling?

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Reply 88

upthegunners

10

Original post by cloud19

Does anyone know why people with emphysema find difficult when exhaling?

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because they smoked their brains out

Reply 89

Sherlockedd

14

Original post by cloud19

Does anyone know why people with emphysema find difficult when exhaling?

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The elastic fibres in their alveoli have become damaged and therefore they cannot recoil as effectively, leading to less exhalation.

Reply 90

otrivine

14

Original post by Sherlockedd

The elastic fibres in their alveoli have become damaged and therefore they cannot recoil as effectively, leading to less exhalation.

Hi want to revise F212 :smile:

Reply 91

jamesmact

3

Adaptations - behavioural - leaves coil up when their is low humidity to prevent water loss via transpiration, biochemical - saprophytic organisms like fungi release extra cellular enzymes to digest food externally, physiological - ..... Not that sure...

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Reply 92

otrivine

14

Original post by jamesmact

Adaptations - behavioural - leaves coil up when their is low humidity to prevent water loss via transpiration, biochemical - saprophytic organisms like fungi release extra cellular enzymes to digest food externally, physiological - ..... Not that sure...

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hi want to revise chapter 1 and immunity