AQA AS Biology 7401/2 Paper
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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
2 | Official Question Paper &
Mark Scheme with Verified
Answers | Expert-Graded A+
Study Resource (Latest
Update)
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
