Question

1. what does the lock and key model describe? the way cells use molecules for energy the way enzymes and substrates fit together the way substances pass into a cell the way living cells create new cells

Explanation:

The lock - and - key model in biology explains that enzymes have specific active sites with a shape that precisely matches the shape of their substrates, similar to how a key fits a lock.

Answer:

the way enzymes and substrates fit together