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AQA AS BIOLOGY 74012 PAPER 2 QUESTION PAPER AND MARK SCHEME [WELL VERIFIED ANSWERS] GRADED A+

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AQA AS BIOLOGY 74012 PAPER 2 QUESTION PAPER AND MARK SCHEME [WELL VERIFIED ANSWERS] GRADED A+ Name two biological molecules that can be coded for by a gene. - ANS---rRNA; (Pre) mRNA; tRNA; Use the data in Table 1 to suggest how the structure of rough endoplasmic reticulum is different from the structure of smooth endoplasmic reticulum and how this is related to their functions. - ANS---1. Less phospholipids in rough 2. (More protein/glycoprotein/ribosomes) Rough - production/transport of proteins; 3. (More phospholipid) Smooth - production/modification/packaging/transport of

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AQA AS BIOLOGY 7401\2 PAPER 2
QUESTION PAPER AND MARK
SCHEME [WELL VERIFIED
ANSWERS] GRADED A+




Name two biological molecules that can be coded for by a gene. -
ANS✔✔---rRNA;
(Pre) mRNA;
tRNA;
Use the data in Table 1 to suggest how the structure of rough endoplasmic
reticulum is different from the structure of smooth endoplasmic reticulum
and how this is related to their functions. - ANS✔✔---1. Less
phospholipids in rough
2. (More protein/glycoprotein/ribosomes) Rough - production/transport of
proteins;
3. (More phospholipid)
Smooth - production/modification/packaging/transport of

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