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MARK SCHEME – AS BIOLOGY – 7401-1 – JUNE 2022.
- Exam (elaborations) • 19 pages • 2024
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given, will still mean that the mark is not awarded. 
 	 
Question 	Marking Guidance 	Mark 	Comments 
01.1 	B: is hydrolysed in the ileum and a product of this hydrolysis is found in micelles; 
A: is formed by a condensation reaction between two α-glucose molecules; 
C: is formed by the action of DNA polymerase; 
B: gives a positive result in an emulsion test; 	4 
(4 x AO1) 	 
Question 	Marking Guidance 	Mark 	Comments 
01.2 	1.	Facilitated diffusion of amino acid (into cell wh...
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