Answer:The Answer Is Stem Tip
Explanation:Because I Did This And Got It Right
The lock-and-key mechanism was first proposed by Emil Fischer which described as the enzymatic reactions whereby an enzyme with a single substrate binds temporarily to form a substrate complex. Just like a lock and key the enzyme as the lock and the substrate as the key is said to fit together
In uniform distribution, organisms are spread out in a fairly regular pattern. This occurs often where individuals must compete for a limiting resource, such as water or light. Desert shrubs and redwood trees grow in a uniform distribution—shrubs compete for water, while redwoods compete for light.
I am Pretty sure that it is C thank me if I’m right
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