Question

26,764 Learners found this answer helpful

enzymes
enzymes make life as we know it possible. without enzymes, it would take years to build up the energy required to complete even a simple activity. for example, your saliva contains an enzyme called amylase that breaks starch into simple sugars, which then get converted into glucose by other enzymes and used for energy. without the right enzymes, much of the food you eat would pass through you without being absorbed. enzymes catalyze biochemical reactions by lowering the amount of energy needed for a chemical reaction to take place. importantly, enzymes are able to increase the rate of a chemical reaction without being consumed or permanently changed. thanks to enzymes, the countless biochemical reactions that take place inside your body occur at fractions of seconds instead of years.

what does the \lock and key\ model of enzyme action illustrate?
option 1: the destruction of the enzyme after the reaction
option 2: how reactants are rearranged into products
option 3: the specific interaction between an enzyme and... (partial text)

Explanation:

The lock - and - key model of enzyme action illustrates the specific interaction between an enzyme (the lock) and its substrate (the key). The correct option should be about the specific interaction where the enzyme and substrate fit together, and the option "the specific interaction between an enzyme and its substrate (how reactants are rearranged into products is not the main illustration of the lock - key model; the destruction of the enzyme after reaction is incorrect as enzymes are not destroyed; the clarification of interaction between an enzyme and something is too vague) - the option that shows how the enzyme (lock) and substrate (key) fit, which is related to how reactants (substrate) interact with the enzyme to form products, but more specifically the specific binding. Among the given options, the one about how reactants are rearranged into products is not correct. Wait, re - evaluating: The lock - key model shows that the enzyme's active site (lock) has a specific shape that the substrate (key) fits into, and this interaction allows the reaction to occur (rearrangement of reactants into products). But the options given: Let's assume the options are (from the image, though some text is unclear, but the key is that the lock - key model shows the specific fit between enzyme and substrate, which leads to the reaction where reactants (substrate) are rearranged into products. Wait, maybe the correct option is the one about "how reactants are rearranged into products" is not right. Wait, no, the lock - key model is about the specific binding of enzyme and substrate, and then the catalytic action (rearrangement of substrate into product). But maybe the intended correct option is the one that says how the enzyme and substrate interact for the reaction (rearrangement of reactants into products). But since the user's options are a bit unclear, but based on the lock - key model, it illustrates the specific fit between enzyme (lock) and substrate (key) and how this allows the reaction (rearrangement of reactants into products) to occur. So the correct option should be the one related to how reactants are rearranged into products (assuming that's an option).

Answer:

(Assuming the options are as per the image, and the correct one is the middle option) The option "how reactants are rearranged into products" (the middle boxed option in the image)