How did your Biology Paper 12 go?

[maryam fatima]

i do

A i guess...

i dont remember the statement of options though... but think i chose the first option

 

[Fallen316]

that atherosclerosis question? i did "nicotine only"
and ht directly reduces surface area? i did " emphysema and lung cancer" :/

I did the same.

 

[maryam fatima]

Yea I chose that too

wrong, it was D!

 

[maryam fatima]

I did the same.

huhh shukkar

 

[Snowysangel]

wrong, it was D!

Nope the picture was magnified by x10...that was A. Also guys lung cancer obviously reduces the SA to V ratio...it's for the same reason that larger animals have a lower ratio...cause they have more cells in their body

 

[Fallen316]

wrong, it was D!

I'm afraid maryam, it was A.
you want me to prove it?

 

[maryam fatima]

I'm afraid maryam, it was A.
you want me to prove it?

i later confirmed it from 3 teachers :-D and i also consulted campbell biology and there was a statement: the imge becomes increasingly blurry when u increase the magnification of a light microscope

 

[Fallen316]

i later confirmed it from 3 teachers :-D and i also consulted campbell biology and there was a statement: the imge becomes increasingly blurry when u increase the magnification of a light microscope

wait what?
are you talking about question 1? because that's D.
I was talking about question 2, the one with stage micrometer, that's A

 

[maryam fatima]

hahahahah :-D yes i was talking about 1st :-D and second was obviously A

 

[Princess Raven]

A i guess...

A i guess...

Ya I chose A as well.

 

[Princess Raven]

hahahahah :-D yes i was talking about 1st :-D and second was obviously A

Yay!! I thought I got it wrong coz I forgot to read the part that said it's magnified by 400x but hopefully A is correct

 

[Princess Raven]

The nicotine was the one about damaging the artery walls right..

I did the same.

 

[Omar Haider]

Yup, I put the same for the nicotine question. I chose B for the B/T Lymphocyte question. At the end of the statement (of B) it said that they produce antibodies. They, in this case, means both types of lymphocytes and that's incorrect, so it must be B.

 

[Snowysangel]

Yup, I put the same for the nicotine question. I chose B for the B/T Lymphocyte question. At the end of the statement (of B) it said that they produce antibodies. They, in this case, means both types of lymphocytes and that's incorrect, so it must be B.

What was B? Did it include that they both produce memory cells?

 

[saaara]

Same here!



My thoughts exactly, cellulose being insoluble is irrelevant.

Cellulose is insoluble

I think for the cellulose it shud be both insoluble and hydrogen bonds cuz if it was soluble then it won't act as a structural component

yes and youre right cellulose is insoluble

 

[saaara]

No it starts from ribosomes I solved this question before

yeah it makes sense when it starts from ribosomes

 

[saaara]

I dont think smoking directly affects surface area, i chose emphysema and the other option.

lung cancer doesnt affect it directly

 

[dumb human]

???

I am so sorry bro....i had to go suddenly...... =( sorry....=)

 

[dumb human]

The answer to magnification question was option A .. something like 0.1*10^1 I don't remember.

why? i choose 4 something was it B?

 

[dumb human]

Yeah thats what i chose aswell

yeah