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A level Biology: Post your doubts here!
Question 18, As far as i know , Semi conservative replication DOES take place in mitosis? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w12_qp_11.pdf- Noor Ahmad
- Post #2,094
- Forum: A-Levels
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A level Biology: Post your doubts here!
Thank youu ! Yes it did.But don't we subtract the 1200 too? :o- Noor Ahmad
- Post #2,093
- Forum: A-Levels
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A level Biology: Post your doubts here!
Question 39. http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w11_qp_12.pdf- Noor Ahmad
- Post #2,087
- Forum: A-Levels
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A level Biology: Post your doubts here!
Question 27 http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w10_qp_12.pdf- Noor Ahmad
- Post #2,065
- Forum: A-Levels
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AS Biology P1 MCQs Preparation Thread
Question 27 http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w10_qp_12.pdf- Noor Ahmad
- Post #1,163
- Forum: A-Levels
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AS Biology P1 MCQs Preparation Thread
- Noor Ahmad
- Post #1,162
- Forum: A-Levels
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A level Biology: Post your doubts here!
OH MY, i din't recognize the least likely part.Thanks alot :)- Noor Ahmad
- Post #2,061
- Forum: A-Levels
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A level Biology: Post your doubts here!
Question 21 Isn't it mRNA is transcribed from the anti-sense strand? how is the answer B,isn't it supposed to be D? and question 34 isn't it bacteria can be transferred directly too? Why not cholera then...- Noor Ahmad
- Post #2,056
- Forum: A-Levels
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A level Biology: Post your doubts here!
Question 16 and 40 could anyone explain? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w11_qp_11.pdf- Noor Ahmad
- Post #2,048
- Forum: A-Levels
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A level Biology: Post your doubts here!
Oh yes,well thank you so much. which bacteria respires anaerobically? is it only dentrifying bacteria?- Noor Ahmad
- Post #2,043
- Forum: A-Levels
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A level Biology: Post your doubts here!
So the nitrifying bacteria increase or decrease is not related to light intensity? I assumed that they increased since dust blocks light and hence no photosynthesis can take place.This reduces oxygen abundance and hence provides a suitable medium for growth of nitrifying bacteria. is that...- Noor Ahmad
- Post #2,032
- Forum: A-Levels
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A level Biology: Post your doubts here!
Question 39 how is dust even responsible in the increase in nitrifying bacteria? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w07_qp_1.pdf- Noor Ahmad
- Post #2,029
- Forum: A-Levels
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A level Biology: Post your doubts here!
question 32, isn't it the no.of men decreasing by 60% same as the percentage of smokers decreased by 60%? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w06_qp_1.pdf- Noor Ahmad
- Post #2,024
- Forum: A-Levels
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A level Biology: Post your doubts here!
Question 30 , why is it B , it can also be A right? and i don't get what's the difference in both PHs http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w05_qp_1.pdf- Noor Ahmad
- Post #2,019
- Forum: A-Levels
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A level Biology: Post your doubts here!
What is the effect of changing the PH above/below the optimum PH? what effect does it have on Rgroups in the active site?- Noor Ahmad
- Post #2,018
- Forum: A-Levels
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A level Biology: Post your doubts here!
HOW DO WE CALCULATE THE RATE OF ABSORPTION OF GLUCOSE? question 2b (i) and (ii) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_s12_qp_51.pdf- Noor Ahmad
- Post #1,953
- Forum: A-Levels
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