The final card in the series shows a mature protein. Proteins can play several different cellular functions, as shown in the figure below. Using prior knowledge, describe a specific role each type of protein performs for the
cell and provide an example of an actual protein (e. g., lactase). Write your answer next to each picture.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

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

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