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Brums [2.3K]
3 years ago
13

Some fish have bony fins. If the body of water they are in dries out, these fins can be used to help the fish "walk" to another

body of water. In this context, bony fins are an example of ________. A) an exaptation B) an adaptation C) a macroevolutionary event D) pedomorphosis
Biology
1 answer:
defon3 years ago
6 0

Answer:

A) an exaptation

Explanation:

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Enzymes are like catalysts with the only difference that they are bio-molecules. Biochemical/chemical reactions are slow because of 'transition state barriers' which require a lot of energy to overcome so enzymes rather than overcoming transition state barrier provide an alternate pathway for biochemical reactions which require comparatively less energy. Thus presence of an enzyme leads to an increase in reaction rate because alternate pathway which requires less energy makes the rate of chemical reaction rapid by a thousand-fold or more.

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