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.
B.To Understand group behavior through observation
Answer:
A. Lemon juice taste very sour and tangy and its a safe acid to drink. B. It will irritate your eyes and it will really burn and make your eyes bloodshot red.
Need more info make sure to add the pictures or at least explain it better
