Molecules and food tests - GCSE Biology (9-1)

2.7 Identify the chemical elements present in carbohydrates, proteins and lipids (fats and oils).

2.8 Describe the structure of carbohydrates, proteins and lipids as large molecules made up from smaller basic units: starch and glycogen from simple sugars, protein from amino acids, and lipid from fatty acids and glycerol.

2.9 Practical: investigate food samples for the presence of glucose, starch, protein and fat.

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[hol]

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[surendrasurujdeo-maharaj]

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[gsmshew]

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[AbdullahSheikh-lmwk]

Hi, Are we allowed to know the formula or the name of the Benedict Solution in the test for sugar. Btw gotta love ur vids, Thanks

[arbazahmad]

Dont we have to add Sodium Hydroxide ...and Copper Sulphate in biuret test ???

[wouldbfarmer]

Curious—I was under the impression that all foods had an amount of protein, carbs, and fat, even if at an almost minuscule level, other than alcohol, if that is considered a food.
That being true, we already have the answer to the question “does this food have
I must be missing something.

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Who’s here 41mins before the day of the exam