The revision section (BIOLOGY)

[$$AK$$]

the only thing i dont get is in excretion. like when the cappiliries take all the nutrients back from collecting duct in the kidney, why doesnt it take the waste products back too? i mean diffusion is suppose to happen because the concentration of the waste products is lower in the cappiliries but higher in the collecting duct.

i think because that there is some thin called "control diffusion" which we will study in more depth in AS level

 

[flaminheroes]

Awh i really thought it'd have a more detailed answer.
TheStallion-Reborn

 

[$$AK$$]

Awh i really thought it'd have a more detailed answer.
TheStallion-Reborn

I will check for the exact answer and reply to u tommorow,but now I am studying math paper 4

Deal

 

[flaminheroes]

I will check for the exact answer and reply to u tommorow,but now I am studying math paper 4

Deal

Oh wow thank you wasnt expecting that but really thank you

 

[robinhoodmustafa]

View attachment 25920 View attachment 25921

Yes. I am talking about the first diagram. They ask us Question that which group has this disease and who has Brown hair and we have to tell it from this diagram

 

[maryam^_^]

hello evry1! cn any1 lemme knw who is doing biology p3 v1 tmw=) does any1 hv a gud quick revision fo it =( i hv biology p31 tmw =( plz help meh =( thnx..

 

[Eshmal]

hello evry1! cn any1 lemme knw who is doing biology p3 v1 tmw=) does any1 hv a gud quick revision fo it =( i hv biology p31 tmw =( plz help meh =( thnx..

Theory paper?

 

[maryam^_^]

Theory paper?

yup

 

[Eshmal]

yup

I have that too....

 

[ayesha121997]

not as a subject but it's a topic in bio

i was only talking about subject ....

 

[$$AK$$]

Oh wow thank you wasnt expecting that but really thank you

If you are O_level student then,its enough for you to know that this takes place simply by control diffusion and they would be reabsorbed if the person is not healthy.
We will take it in more depth next year in AS level.
Good luck every one

 

[flaminheroes]

yup

Theory paper is Paper 2 ._. and its easy lol. like really easy. so easy im excited for tomorow wohoo

 

[$$AK$$]

Theory paper is Paper 2 ._. and its easy lol. like really easy. so easy im excited for tomorow wohoo

my theory paper is 3,and its lengthy

 

[Eshmal]

my theory paper is 3,and its lengthy

Are you O or A level?

 

[flaminheroes]

my theory paper is 3,and its lengthy

isnt paper 3 practical test? :/

 

[Eshmal]

isnt paper 3 practical test? :/

Exactly isn't it practical ?

 

[$$AK$$]

isnt paper 3 practical test? :/

No,Its extended theory.
Are you talking about O_level??

 

[$$AK$$]

Exactly isn't it practical ?

No,Its extended theory.
Are you talking about O_level??

 

[Eshmal]

No,Its extended theory.
Are you talking about O_level??

Yup talking bout O level

 

[$$AK$$]

Yup talking bout O level

I know that:
paper1-MCQ
paper2-Theory(core)
paper3-Theory(extended)
paper6-Alternative to practical
Paper5- Practical Test
and good luck for all of us