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yup, incase a magnification question comes
guys do we need a ruler tell me please
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guys do we need a ruler tell me please
http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w12_qp_13.pdf
I don't get Q 24 and I'm also confused to what A is, (which is the answer) hmmmm I have a problem in identifying cells in vascular bundles so could some1 please explain to me how this question goes !! Please please please
Threre are 12 amino acids in the questionhelp me out!! pleasee!
Paste the correct linkim looking forward for someone to reply to this too!
Ok in 16 the ans is c righthttp://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_s12_qp_11.pdf #16 please i need help on this
Paste the correct link i dont have timehttp://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w12_qp_13.pdf
I don't get Q 24 and I'm also confused to what A is, (which is the answer) hmmmm I have a problem in identifying cells in vascular bundles so could some1 please explain to me how this question goes !! Please please please
Threre are 12 amino acids in the question
He says di peptides so we use ^n on the number of peptides in a chain
He says dipepride which means 2 so 12^2 = 144
Ratta this thing coz i did too
P
Paste the correct link
Guess so u could trynit out on different questions i think it workshahahaha! sure ill ratta this thing! thats a new formula! loolol so if its a tripeptide, it will be 12^3?
Thank you at last...phewwhttp://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w12_qp_13.pdf thats the correct link..
Ok so if u look carefully he is asking about time taken the valves are closed ok so at first when semi lunar valves are open the atro ventricular valves should be closed use that time and then use the time ventricular vves are open and semj lunar closed since hes asking about both are open are close substract the time u calculated fro total time of heart beat that would be I guess 0.7 soe suppose .2 for semilunar open .1 for semi lunar closed so .3 substract .7 from .3 u will get the time diy iam just explaining as this is a cellphone so difficult to understand the questhttp://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w11_qp_11.pdf can someone please explain question 24 to me!!
Ok so if u look carefully he is asking about time taken the valves are closed ok so at first when semi lunar valves are open the atro ventricular valves should be closed use that time and then use the time ventricular vves are open and semj lunar closed since hes asking about both are open are close substract the time u calculated fro total time of heart beat that would be I guess 0.7 soe suppose .2 for semilunar open .1 for semi lunar closed so .3 substract .7 from .3 u will get the time diy iam just explaining as this is a cellphone so difficult to understand the quest
sugar phosphate bonds never breakThe following events occur during transcription.
1 Bonds break between complementary bases.
2 Bonds form between complementary bases.
3 Sugar-phosphate bonds form.
4 Free nucleotides pair with complementary nucleotides.
Before the mRNA leaves the nucleus, which events will have occurred twice?
A 1 and 2 only
B 1, 3 and 4 only
C 2, 3 and 4 only
D 1, 2, 3 and 4
Anyone help?
Answer is A
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