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AS OCR F211 Biology May 25th Tuesday RESITS

emmaaa..

i thought as a whole it was ok. the parts of the lungs one was nice, as plant one (movement up the xylem etc etc), and the heart one. wasnt a fan of the methyl blue one. i also went on about the 'leaky' membrane :s-smilie:

movement up the xylem was really nice, will be surprised if i didn't get 5/5 for that one, they need more simple questions like that tbh :colondollar:

Reply 41

emmaaa..

also the haemoglobin one was nice too i think. so as a whole it was pretty ok imo.

Reply 42

Epic_Fail

Killmepls

grr hated that exam, wtf is up with the chromosomes page, probably got 0 on that

i second that. that question was a b****

Reply 43

shuty

9

Zeddude

Im worried too, i think tidal volume graph will come up, mitosis, specialisation, circulation, maybe even SAN AND AVN. and im sure thell put in some experiment so probably the staining cells to view mitosis.

lol most of those did come up, wish i saw this yesturday

Reply 44

Lydia_08

that was so hard!!
what did people put for the heart rate question? i got 75 beats per min but have no idea if that's right...

Reply 45

Sejal.x

Lydia_08

that was so hard!!
what did people put for the heart rate question? i got 75 beats per min but have no idea if that's right...

I got 59 =/ How did you work it out?

Reply 46

Lydia_08

I got 59 =/ How did you work it out?

i did something like: the number of beats in one second (about 1.25) and then to get it in minutes i timesed it by 60
what did you do?

Reply 47

Sanchez Amirez

2

Sejal.x

I got 59 =/ How did you work it out?

I did the number of secs in a minute : 60
and the time taken for the the heart to initate all its activity : 0.8
and divided it 60/0.8 = 75 beats per minute
:wink:

Reply 48

Waffles n Further Waffles

1

that paper wasnt TOO bad- the yeast membrane questions were very niggly and the question asking to use the table as some sorta evidence as to why the methylne blue cant stay in the cell? i think those two pages were the niggliest- but overall i reckon was a good enough exam

Reply 49

scriddle

2

Thank god I got 75 beats per min too :biggrin:

Reply 50

sc0307

8

i got it as 120 beats per minute cos it took 0.5 seconds for a whole ecg scan to go through so 60/0.5=120...

Reply 51

jacko0892

2

it took 0.8s to go from one P wave to another...so the heart beat took 0.8s

60/0.8s= 75

Reply 52

user1111

2

sc0307

i got it as 120 beats per minute cos it took 0.5 seconds for a whole ecg scan to go through so 60/0.5=120...[/QU

didn't it say in the question a normal heart beat? I can't remember...

I'm not sure

Sanchez Amirez

i thought that question was hard, i kinda broke it down into sections, i reckon its about plasmolysis, and how the membrane is damaged and the substances (methylene blue) leaks out of the membrane.

i kind of wrote what you did amirez.. but you should've mentioned how the cell bursts.
:smile:

Reply 55

NeonJellyBabies<3

I thought that paper was sickk. And not in a good way.
I revised all the hard stuff like Cardiac Cycle and I got Staining, which probably occupies 0.1255 of my textbook!
I'm pissed cause I'd been getting A's in the past papers, and now I'd be lucky to get a C!

Reply 56

jacko0892

2

NeonJellyBabies<3

I thought that paper was sickk. And not in a good way.
I revised all the hard stuff like Cardiac Cycle and I got Staining, which probably occupies 0.1255 of my textbook!
I'm pissed cause I'd been getting A's in the past papers, and now I'd be lucky to get a C!

Exactly the same as you! Such a random paper!

AS OCR F211 Biology May 25th Tuesday RESITS

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