OFFICIAL OCR A2 Biology - F214 Thread

TheMikester69

I ******* hope not haha. I think he's posted on wrong thread

Sorry folks yea its core 4 damn it, yes respirometer is very likely to popup ;p

Reply 481

TheMikester69

ibysaiyan

Sorry folks yea its core 4 damn it, yes respirometer is very likely to popup ;p

Respirometer: specimen is placed in, potassium hydroxide used to absorb co2, 02 uptake measured by displacement of manometric fluid due to air being sucked in to keep pressure constant, measured using a ruler for scale.
And then respiratory quotient.

That all we need to know for it?

Reply 482

everyone I posted all my notes here http://www.thestudentroom.co.uk/showthread.php?t=1159765 and from now on I will be posting it there :smile:

Reply 483

Rayel

8

Is there a place where all relevant past paper questions related to our course can be found?
Trawling through old papers gives me a heart attack every time I see something I don't understand. Then I realise its on the old syllabus. Then realise even if it wasn't I probably wouldn't have been able to answer it anyway.

Too much to do and too little time to do it. Do you think I can nail Module 2 + 3 by Monday?

Thankssss

Rayel

Is there a place where all relevant past paper questions related to our course can be found?
Trawling through old papers gives me a heart attack every time I see something I don't understand. Then I realise its on the old syllabus. Then realise even if it wasn't I probably wouldn't have been able to answer it anyway.

Too much to do and too little time to do it. Do you think I can nail Module 2 + 3 by Monday?

Photosynethsis: http://www.mediafire.com/?1tnymydn5vt

Respiration: http://www.mediafire.com/?lngjzywlzzt

Homeostasis: http://www.mediafire.com/?53nwmnmwiwz

Excretion: http://www.4shared.com/file/202484260/1cd174d7/Kidney__-_Excretion.html

end your nightmare! and use past paper questions that i've prepared :biggrin:

Reply 486

Remarqable M

everyone I posted all my notes here http://www.thestudentroom.co.uk/showthread.php?t=1159765 and from now on I will be posting it there :smile:

Hey great work. :wink:

Reply 487

ibysaiyan

Hey great work. :wink:

No problem. You're welcome anytime :smile:

Danke XD

Remarqable M

Photosynethsis: http://www.mediafire.com/?1tnymydn5vt

Respiration: http://www.mediafire.com/?lngjzywlzzt

Homeostasis: http://www.mediafire.com/?53nwmnmwiwz

Excretion: http://www.4shared.com/file/202484260/1cd174d7/Kidney__-_Excretion.html

end your nightmare! and use past paper questions that i've prepared :biggrin:

Bless you noble sir! +Rep for you as soon as I can!
Seriously though you may have saved my a levels. Now if only I could get off TSR.... :P

Reply 490

Rayel

Bless you noble sir! +Rep for you as soon as I can!
Seriously though you may have saved my a levels. Now if only I could get off TSR.... :P

No problemo! :thumbsup:

Reply 491

chuck111

11

Ok, other exams out of the way now :smile:

biology revision all the way now
will be posting revision cards tommorow/sat for all those ppl who pmed me hehe

Reply 492

*Yawns* lol i haven't slept at ALL , the whole night i have been awake as an OWL :frown:

.

Reply 493

cfc18

6

ibysaiyan

*Yawns* lol i haven't slept at ALL , the whole night i have been awake as an OWL :frown:

.

what were u diong awake all night !

Reply 494

Hey folks i am back from college and guess i feel sleep as a dead goat ;p.Well surfing / revised maths modules for june/ ermm bit of physics, seriously my heads achin pretty bad now.

Reply 495

Tick tock i am starting to feel lonely xD

Reply 496

eXPLAIN HOW receptors in mammals convert energy into action potentials. Use named exampples of receptors in your answer. 7 mark

Reply 497

Remarqable M

eXPLAIN HOW receptors in mammals convert energy into action potentials. Use named exampples of receptors in your answer. 7 mark

Wow i am darn sleepy, lets see
First the brain works out what kind of signal is being transmitted by the region from where the neurones coming, how many neurones used...(yawns)
Ok so obviously peripheral receptors come into actions when a stimulus is involved, these transmit a.p along sensory neurone to either inter neurone or to the CNS.
Olfactory receptor detects odor molecules. (ohh i need sleep LOL...zzzZZZzz)

Reply 498