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AS Biology P1 MCQs Preparation Thread

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Q2- cisternae is ALWAYS found in golgi body and ER. mitocondrion has CRISTAE. dont mix up the names.
Q4- if you check the structures, all 4 contain ribosomes.
Q8- glucose plus glucose means C12H24O12 BUT dont forget to remove H2o because it's a condensation reaction ro you'll remove 2 Hs and one O from both.
Q9- there's 1,6 linkages so it's always amylopectin, glycogen and starch.
Q20- every 3 nucleotides make one amino acid. so firtst get the no. of amino acids. divide 12000 by 3 you'll get 4000. then it's DNA so it's double stranded so in order to find no. of amino acids in ONE strand, divide 4000 by 2 you'll get 2000 which is C.
Hope it helped!! :)
 
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Q2- cisternae is ALWAYS found in golgi body and ER. mitocondrion has CRISTAE. dont mix up the names.
Q4- if you check the structures, all 4 contain ribosomes.
Q8- glucose plus glucose means C12H24O12 BUT dont forget to remove H2o because it's a condensation reaction ro you'll remove 2 Hs and one O from both.
Q9- there's 1,6 linkages so it's always amylopectin, glycogen and starch.
Q20- every 3 nucleotides make one amino acid. so firtst get the no. of amino acids. divide 12000 by 3 you'll get 4000. then it's DNA so it's double stranded so in order to find no. of amino acids in ONE strand, divide 4000 by 2 you'll get 2000 which is C.
Hope it helped!! :)


yup alotttttttttttttt thank u so much <3
 
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Q2- cisternae is ALWAYS found in golgi body and ER. mitocondrion has CRISTAE. dont mix up the names.
Q4- if you check the structures, all 4 contain ribosomes.
Q8- glucose plus glucose means C12H24O12 BUT dont forget to remove H2o because it's a condensation reaction ro you'll remove 2 Hs and one O from both.
Q9- there's 1,6 linkages so it's always amylopectin, glycogen and starch.
Q20- every 3 nucleotides make one amino acid. so firtst get the no. of amino acids. divide 12000 by 3 you'll get 4000. then it's DNA so it's double stranded so in order to find no. of amino acids in ONE strand, divide 4000 by 2 you'll get 2000 which is C.
Hope it helped!! :)
Does nucleus contain ribosomes or in the context u are mentioning?
 
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Q2- cisternae is ALWAYS found in golgi body and ER. mitocondrion has CRISTAE. dont mix up the names.
Q4- if you check the structures, all 4 contain ribosomes.
Q8- glucose plus glucose means C12H24O12 BUT dont forget to remove H2o because it's a condensation reaction ro you'll remove 2 Hs and one O from both.
Q9- there's 1,6 linkages so it's always amylopectin, glycogen and starch.
Q20- every 3 nucleotides make one amino acid. so firtst get the no. of amino acids. divide 12000 by 3 you'll get 4000. then it's DNA so it's double stranded so in order to find no. of amino acids in ONE strand, divide 4000 by 2 you'll get 2000 which is C.
Hope it helped!! :)


umm sorry to disturb and also quesh 39 ?
 
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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
 
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Ok in 1
Ok in 16 the ans is c right
This is because active transport require oxygen to work (aerobic respiration for atp) in graph one everything is ok since transport is occurring wwith increase in rate with temp
When u look in graph two u see that there is no oxygen so no aerobic respiration no atp so no active transport so the transport will be very very nnearly zero
Now compare the two on this bases
 
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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

hahahaha! sure ill ratta this thing! thats a new formula! loolol so if its a tripeptide, it will be 12^3?
 
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