http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w10_qp_22.pdf
question1 part c-ii
I don't understand this !
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s10_qp_22.pdf
question5 part d
I don't understand this
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s11_qp_21.pdf
question3 part c ( I know the answer I think but I think I'm not exactly sure ....I need to explain translation in this right?)
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s11_qp_22.pdf
question 5 part b -ii
Is this alright to score three marks?
The phospholipids form a bilayer.It provides fluidity to the membrane and has hydrophilic heads which face outwards into the water and hydrophobic tails which act as a barrier to water soluble substances.
question1 part c-ii
I don't understand this !
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s10_qp_22.pdf
question5 part d
I don't understand this
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s11_qp_21.pdf
question3 part c ( I know the answer I think but I think I'm not exactly sure ....I need to explain translation in this right?)
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s11_qp_22.pdf
question 5 part b -ii
Is this alright to score three marks?
The phospholipids form a bilayer.It provides fluidity to the membrane and has hydrophilic heads which face outwards into the water and hydrophobic tails which act as a barrier to water soluble substances.