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CHEMISTRY

Chemistry
How many atoms of oxygen are in a glucose molecule

10
6
3
4

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Chemistry
The metal ion present in Vitamin B12 is

Zinc
Iron
Nickel
Cobalt

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Chemistry
The metal present in vitamin B12 is

Mg
Co
Fe
Mo

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Chemistry
Which of the following is not present in RNA

Phosphate
Thymine
Ribose
Uracil

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Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Diastase
Maltase
Zymase
Invertase

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