AS Biology - Tests for biological molecules (OCR A Chapter 3.4-7)

Apart from knowing about the structure and reactions that the biological molecules undergo, we also need to know how we can test for the presence of these molecules in different things. In this video we will do a summary of the different "food tests" that you need to know.

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Not gonna lie though your videos are so underrated. You should have a minimum of 50k subs :D

[davidmkwizu]

You have to neutralise acidic conditions in the non-reducing test by adding NaHCO3 the Benedict’s reagent test won’t work in acidic conditions.

[uaimen]

Thanks for the video! Described and explained well

[Skyphide]

good job on making this video, It helped me understand the concept more thanks

[moemenkadry]

Can you please do a transport in animals video. Thanks

[neithonosmani]

For the test for proteins using biuret solution, can we say a purple colour forms or do we have to be more specific and say mauve colour forms

[amiraakram]

Can you please do more a2 content your videos really really help

[proctarian]

what is the difference between reducing and non-reducing sugars

[planteater]

do we need to know about colorimeter??

[dandavey]

Where my Indians at? Like if ur Indian