The rare plant is limited to a specific substrate.

This plant has a limited distribution and is found only on a specific substrate.

There are two proposed models of how enzymes fit to their specific substrate: the lock and key model and the induced fit model.

Then a second antibody coupled with an enzyme is used followed by the addition of a color-forming substrate specific to the antibody.

This gene encodes an endopeptidase that cleaves specific substrates following aspartate residues.

Active transport involves the use of energy to transport specific substrates across barriers, even against the concentration gradient.

To establish whether or not the antigen is present, a substrate specific for the enzyme used is added.

In enzymatic systems, protein units show "molecular recognition", high affinity for specific substrates.

Enzyme assay indicates the effectiveness of a given enzyme to a specific substrate and serves as a quality control tool.

These chips can be used to study enzymatic activity of immobilized enzymes by coating the chip with solution containing specific substrates.