AS LEVEL BIOLOGY... discuss here AS students only :)

[alihaiderrrt]

http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s07_qp_32.pdf plz solve question question 1a i)(the table recording one)

 

[ankemol]

Is 1 whole day enough for revising AS biology unit 2 and few hours before the exam too?
(having done all my notes and exam papers)

 

[gary221]

isnt semiconservative means half .. shouldnt it be at 50 ie B ...y its C

becoz everytime the replication takes place, the total % falls by 1/2
as in, originally 100.
so, after the first replication, the remaining % wud be 50.
then after the next one, it wud be half of the previous value = 25
n so on.
Ans = C

Hope u gt it!
All credit to Nibz

 

[ahmed abdulla]

becoz everytime the replication takes place, the total % falls by 1/2
as in, originally 100.
so, after the first replication, the remaining % wud be 50.
then after the next one, it wud be half of the previous value = 25
n so on.
Ans = C

Hope u gt it!
All credit to Nibz

 

[gary221]

ahmed abdulla
is the ans 1 and 3?
first check this out.
http://www.chemguide.co.uk/organicprops/alkenes/kmno4.html

 

[ahmed abdulla]

ahmed abdulla
is the ans 1 and 3?
first check this out.
http://www.chemguide.co.uk/organicprops/alkenes/kmno4.html

o its 1 only

 

[Sarah_3420]

any important topics specifically for paper 1? please? thanks !