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Explain in NOT MORE than 350 words how giving an alcoholic patient who has hypoglycaemia an IV infusion of glucose ALONE can be fatal.

Explain in NOT MORE than 350 words how giving an alcoholic patient who has hypoglycaemia an IV infusion of glucose ALONE can be fatal.

Discuss the different mechanisms by which enzyme activity can be regulated in a cell, also



explain why regulation of enzyme activity is crucial to sustain cellular life.

Draw the chemical structure of cholesterol and state its functions

Draw the chemical structure of the polypeptide. Indicate on the structure the backbone and peptide bonds


T= Tris



A= Glacial acetic acid



E= EDTA



B= Boric Acid



10x TAE Recipe



For 1L of 10x solution,



• 48.5 g tris



• 11.4 mL glacial acetic acid



• 20 mL 0.5M EDTA (pH 8.0)



TBE Buffer 10x Stock Recipe



• 108 g tris base



• 55 g boric acid



• 900 ml double-distilled H2O



• 40 ml 0.5 M EDTA solution (pH 8.0)



Adjust volume to 1 L find molarity

T= Tris




A= Glacial acetic acid




E= EDTA




B= Boric Acid




10x TAE Recipe




For 1L of 10x solution,




• 48.5 g tris




• 11.4 mL glacial acetic acid




• 20 mL 0.5M EDTA (pH 8.0)




TBE Buffer 10x Stock Recipe




• 108 g tris base




• 55 g boric acid




• 900 ml double-distilled H2O




• 40 ml 0.5 M EDTA solution (pH 8.0)




Adjust volume to 1 L find molarity

Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction:

Fe + O2 → Fe2O3

This equation is unbalanced. Which of the following is the correct balanced equation for this reaction?



Write the function of each component of TBE and TAE buffer along with individual molarity from given mass

T= Tris

A= Glacial acetic acid

E= EDTA

B= Boric Acid

10x TAE Recipe

For 1L of 10x solution,

• 48.5 g tris

• 11.4 mL glacial acetic acid

• 20 mL 0.5M EDTA (pH 8.0)

TBE Buffer 10x Stock Recipe

• 108 g tris base

• 55 g boric acid

• 900 ml double-distilled H2O

• 40 ml 0.5 M EDTA solution (pH 8.0)

Adjust volume to 1 L.


polysaccharides : iodine :: protein : _____


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