The answer: The Geiger Counter
A natural resource is a material that occurs in nature and can be used for economic benefit. (ex. coal, minerals, soil)
Lock and key theory states that enzymes have a specific shape that directly correlates to the shape of the substrate.
<h3>What is the lock and key theory of enzymes?</h3>
Enzymes are globular protein that catalyses a biological chemical reaction.
One of the characteristics of enzymes is that they are usually substrate-specific i.e. They bind and act to a particular substrate.
This characteristics is explained by the lock and key theory of enzymes, which states that enzymes have a specific shape that directly correlates to the shape of the substrate.
Learn more about enzymes at: brainly.com/question/17320375
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