OCR PAG 4: Enzyme Controlled Reactions

Abstract:

Effect of substrate concentration on catalase.

Hints & Tips:

- A beehive shelf in the trough that the measuring cylinder can be upturned onto (with the delivery tube coming up through the hole in the shelf, into the measuring cylinder), can make gas collection easier (ensure the water level is above the beehive shelf).

- A potato chipper can be used to save time and produce equal-sized potato 'chips'.

- To collect gas over water, the bowl or trough should be large enough to invert the measuring cylinder without emptying it of water.

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PAG 4 - Enzyme Controlled Reactions

PAG 4 - Enzyme Controlled Reactions (13)

PAG 4 - Enzyme Controlled Reactions (13)