Question

When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because

a.

their enzymes lose the proper three-dimensional shape

b.

enzyme active sites become permanently bound to substrates

c.

the activation energy for the reaction is raised

d.

there is insufficient molecular motion for substrates to interact

Posted under Biochemistry

Answer: (d).there is insufficient molecular motion for substrates to interact

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Q. When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because
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