Biology 9700: ENERGY AND RESPIRATION Topical Past Paper Questions
Cambridge AS & A Level Biology (9700) past-paper questions on ENERGY AND RESPIRATION, free. This topic is frequently examined across 28 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) Glycolysis is a stage of respiration that occurs in the cytoplasm of eukaryotic cells. Outline the glycolysis stage of respiration. (b) A group of drugs called statins are taken by many people to help lower the concentration of cholesterol in the blood. Sometimes statins can…
(a) In aerobic conditions, pyruvate that has formed during glycolysis enters the mitochondrion and takes part in the link reaction. Name the two coenzymes involved in the link reaction. (b) Enzymes play an important role in the functioning of the Krebs cycle. The enzymes in the K…
A respirometer is a piece of apparatus that can be used to measure the rate of respiration of living tissue such as germinating peas. A simple respirometer is shown in Fig. 6.1. Fig. 6.1 A student carried out an investigation to determine the effect of temperature on the rate of…
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