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Recap: Electron Transport Chain


Recap: Krebs Cycle

Recap: Glycolysis

Where Can We Find Protiens?

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Carbohydrate Testing….


Last week I had my first Biochemistry practical which basically carbohydrate testing. Since my high school years doing biology labs I was always fascinated when performing food tests. The colours observed when various test was carried out was the highlight of these experiments.

I had the privilege of carry out the Molisch Test on glucose, maltose, arabinose, sucrose and starch solutions.All sugars undergo dehydration reactions in the presence of sulfuric acid to form 5-hydroxymethylfurfural (or furfural) then this reacts with alpha-naphthol to form a coloured product.

1.This test was carried out by adding a few drops of one of the solutions eg.sucrose to be tested in a test tube.

2.2ml of Molisch reagent was added and the contents was mixed.

3. The test tube was inclined to allow 1ml of concentrated sulphuric acid down the side of the test tube.

4. A reddish-violet colour between the junctions of the two liquids would then appear if the test was positive.

After my experiment was completed all the solutions tested gave positive results.>images

Also remember when carrying out Laboratory practicals be safe and always remember your PPE…

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Happy testing…enjoy your weekend 🙂


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Our first topic in this course was on the famous cell which everyone by now showed know and be familiar with….this diagram shows the organelles as well as explain their structure and functions.


Learning about the world of biochem, in a fun innovative way :)

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Joel Osteen Ministries

A little biochem never hurt nobody :)

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Those who are interested in biochemistry (and its relations) are welcomed to indulge themselves in whatever wealth of information this blog has to offer as well as become fully interactive with those who wish to share their views on various topics by so helping each other learn whilst also feeding off what i have to offer as a biochemistry student


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