starch coursework A2 OCR, some question

why is ethanol used in test of starch?
what affect has plant specie got in synthesis of starch?(Ivy-thinner, darker, no hair and Pelargonium-thicker, lighter and hairy)
How do you keep temperature constant when testing for rate of starch synthesis?

you use ethanol because the alcohol boils and dissolves most of the chlorophyll so the leaf is less green and you can see the iodine colour changes easier

i dunno bout plant species

unless you monitor the temp of room you cant keep temp perfectly the same.

do you know if it's ok to hand draw diagrams for the coursework??

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I wisely chose not to do the type of sugar

I wisely chose not to do the type of sugar

Type of sugar you're looking at disaccharides and monosaccharides depending on the sugars you're provided with.

Just remember that glucose is the MAIN respiratory substrate therefore will be the fastest. From there, use your knowledge to predict the rest