Help if you can please.

Identify two types of chemical bonding in the source of dietary potassium

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?

What is the chemical name of the compound ti2o3?