Glucoproteide
a complex protein which is a compounds of a protein and a carbohydrate; on hydrolysis, it yields amino acids, carbohydrates and their derivatives, sometimes acids such as sulphuric, acetic, etc.

Glycogen

This is a polysaccharide carbohydrate. It consists of branched chains of glucose units. It is quite important in animals as a short term energy store. In vertebrates, it is stored in muscles and liver cells. It can be rapidly converted to glucose by the action of enzyme amylase.

Gold Grains
198Au encapsulated in platinum used as a radiation

Gold Standard
pure gold is too soft for used as ornaments or for coinage, and is alloyed with copper or silver, or both. The fineness is expressed either in parts per thousand, or in carats. Pure gold is 24 carat fine, and the five standard alloys of 22, 18, 15, 12, and 9, i.e. parts of gold in 24 of alloy, a re legalized.

Gooch Crucible
A porcelain dish having perforated base over which a layer of asbestos is kept. It is used for filtration in gravimetric analysis.
Grain a crystal in a metal that has been prevented from attaining its regular geometrical form.