When a mixture of a food substance and Benedict's solution was warmed, the solution changed from blue to brick-red. This indicates the presence of? 

Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and?

Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of?

Use the diagram above to answer this question.During photosynthesis, the arrow labeled ll represents the?

Use the diagram above to answer this question.

Emulsification of fats takes place in the part labelled?