Answer: i think its 80 million years ago
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Answer:
complexity. (uncountable) The state of being complex; intricacy; entanglement. (countable) That which is and renders complex; intricacy; complication.
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hope it helps!!
Answer:
There needs to be enough sea urchins for otters to come and there needs to be enough otters to eat the urchins.
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What? I don’t know what ur saying no offense
Answer: I thought I have answered this question before. Yes emzymes are sensitive to PH and temperature.
Explanation:
if the temperature is above 60 - 70 degree celcius, it looses it's ability to catalyse as such emzymes are kept within the normal body temperature to function effectively. Emzymes are also sensitive to PH changing the pH of its surroundings will also change the shape of the active site of an enzyme and also changing the pH will affect the charges on the amino acid molecules.