Answer:
Explanation:
Human beings also compete with some animals for food. For example, humans fish the oceans, taking many fish for their own consumption. When they do so, they take fish that larger fish would otherwise have eaten. These are both instances of humans and animals competing for resources.
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The main two functions of a catalyst are to
1) Decrease reaction activation energy
This is accomplished by providing the reaction with an alternate pathway which does not require as much activation energy.
2) Decrease reaction time
This is done by decreasing the activation energy as well as arranging substrate molecules in a manner in which they are easily broken down.
Proteins - Animo Acid - Provide cell structure, send chemical signals, speed up chemical reactions, etc
Explanation:
<u>Enzymes are highly specific. They must bind to a specific substrate before they can catalyze a chemical reaction. Like a key into a lock, only the correct size and shape of the substrate (the key) would fit into the active site (the key hole) of the enzyme (the lock).</u>
