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AS Biology P1 MCQs Preparation Thread
http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_s09_qp_1.pdf Need help in qst 22 and 26 !!! For no. 22 why the answer is not B as replication is semi-conservative ,so the % of cells containing N15 should be 50 %..no ?? :confused: -
AS Biology P1 MCQs Preparation Thread
Okayyyy i got it ....thankyouu soo much :) -
AS Biology P1 MCQs Preparation Thread
Em also confused about qst 38 ...buh as far qst 40 is concerned, multiply the biomass of one individual by number of individuals ..Then compare the answers with energy value per unit mass ..or multiply the answers with energy value per unit mass ..This will give u answer D ..And datx the correct... -
AS Biology P1 MCQs Preparation Thread
http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w07_qp_1.pdf Plz help me out in qst no 15 and 24 !!!:confused: -
AS Biology P1 MCQs Preparation Thread
Yess i got that ...THANKS A LOT !! :) -
AS Biology P1 MCQs Preparation Thread
A specimen is viewed under a microscope using green light with a wavelength of 510nm. If the same specimen is viewed under the same conditions, but using red light with a wavelength of 650 nm instead, what effect will this have on the magnification and on the resolution of the microscope...