What do sclerenchyma and collenchyma have in common?
They are both thin-walled
They are both dead cells
They both function for support
They both function for food production and storage

Collenchyma cells have thick walls and are irregular in shape. Sclerenchyma cells have thick, even, rigid cell walls. ... The dermal tissue system is composed of flat parenchyma cells that form the outer layer of a plant.

C

Explanation:

big brain

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products