FAD is a required co-factor in the mechanism in order for the enzyme to bind to its appropriate substrate.

An appropriate substrate is chosen to react with the head group.

The enzyme will form singlet oxygen in the absence of the appropriate organic substrates.

The issue is that single sheets of graphene are hard to produce, and even harder to make on top of an appropriate substrate.

The appropriate substrate depends on the type of aquarium; the most important parameter is whether the aquarium contains fresh water or saltwater.

Other methods include resting immobile and silent on an appropriate substrate, as do Egyptian Nightjar.

The appropriate substrate depends on the type of animal in the enclosure.

The cyclins are necessary for the kinase subunit to function with the appropriate substrate.

Like all reptiles kept as pets, monitors need an appropriately sized enclosure, hiding places, and an appropriate substrate.

The seeds are viable for a short time, but germinate immediately on landing on an appropriate moist substrate.