Biology 9700/13 Oct Nov 2019 | Cambridge AS Level Past Papers With Mark Scheme

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1. Visible cell structures under light microscopy at ×400 magnification, including chloroplast grana and nucleoli.

2. Organelles containing 70S ribosomes in eukaryotic cells, such as mitochondria and chloroplasts.

3. Biochemical tests for detecting fructose, starch, and triglycerides, including expected color changes for positive results.

4. Glycosidic bond formation in α-glucose molecules during condensation reactions, producing water.

5. Effects of Km and Vmax values on enzyme-substrate affinity and reaction velocity in Michaelis-Menten kinetics.

6. Mechanisms of sucrose transport in the phloem, involving proton pumps and co-transporter molecules.

CIE AS & A Level Biology (9700) Nov 2019

Laura Bellini

Classification: Paper 1

Page count: 20

Viewed: 154

Last update: 2 months ago

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Biology 9700/13 Oct Nov 2019 | Cambridge AS Level Past Papers With Mark Scheme

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