The energy comes from a source outside the organism and is just stored in a chemical form that can be called upon as needed.

High levels of aluminium - toxic to fish in several chemical forms - are often present.

It must be provided in a certain chemical form.

They transform nutrients into chemical forms taken up more easily.

No longer is there much doubt that the chemical forms in certain carbohydrates after they are baked or fried.

Triglycerides are the chemical form in which most fat exists in food and the body.

M. quinquenervia have been shown to occur in distinct chemical forms.

An additional factor is the chemical form in which the radioactivity is present.

Each chemical form of mercury has its own specific effects on human health.

As the name suggests in maran process, a change is brought about in the chemical form or state of the metal.