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Exam (elaborations)
AQA AS BIOLOGY 7401/2 Paper 2 Mark scheme June 2024 .
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---19January 20252024/2025A+
- AS 
BIOLOGY 
7401/2 
Paper 2 
Mark scheme 
June 2024 
Version: 1.0 Final 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation process ensures tha...
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AnitaMbithi
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Exam (elaborations)
AQA AS BIOLOGY 7401/2 Paper 2 Mark scheme June 2024 Version: 1.0 Final
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--17September 20242024/2025AAvailable in bundle
- AQA AS BIOLOGY 7401/2 Paper 2 Mark scheme June 2024 Version: 1.0 Final
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Devale
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Exam (elaborations)
aQA AS BIOLOGY (7401/2) Paper 2 June 2022 CORRECT Mark scheme
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---20March 20232022/2023A+
- aQA AS BIOLOGY (7401/2) Paper 2 June 2022 CORRECT Mark scheme 
 
Q01.1	A sequence of DNA (nucleotide) bases that codes for a polypeptide; 
 
Q01.2	1.	Pre-mRNA (only) produced in eukaryote (cell); 
2.	Splicing (only) occurs in eukaryote (cell); 
3.	Introns removed in eukaryote (cell) 
OR 
Introns not present in prokaryote (cell); 
 
Q01.3	1.	PNA is complementary to DNA 
OR 
PNA forms base pairs with DNA; 
2.	Preventing/reducing RNA polymerase activity/binding 
OR 
Prevents RNA nucleotides bindi...
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TestPaperPro
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Exam (elaborations)
AQA AS BIOLOGY 7401/2 Paper 2 Mark scheme June 2020 Version: 1.0 Final
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---16July 20222021/2022A+
- MARK SCHEME – AS BIOLOGY – 7401/2 – JUNE 2020 
5 
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Question Marking Guidance Mark Comments 
01.2 Mean and standard deviation; 1 Accept 2 correct 
statistical values for 1 
mark 
Accept any order 
Accept average for 
mean 
Accept standard error 
for standard deviation 
Accept interquartile 
range 
01.3 
(Littorina -) genus and 
(littorea -) species; 
1 Accept phonetic 
spelling 
Accept genera 
01.4 1. ...
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Accurate