Hey You!
The atomic number of an element is determined by the number of A. Protons in its nucleus.
It relates to the meaning of the pores of skin because it lets in and out only certain things.
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Answer:
Having a repetitive enzyme system would allow more than one enzyme to catalyze a particular reaction. If one of the types of enzyme is not able to perform its function due to temperature or any other factor, then another kind of enzyme would be able to catalyze the reaction. Hence, having repetitive enzyme systems is very effective in carrying out the metabolic functions of the body even when conditions are not favourable.
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