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Answer: Option D
Explanation:
The process in which the macro molecules breakdown in order to derive energy from them to sustain life is known as metabolism.
It includes intake of carbohydrates, fats, protein, nuclei acid and other compounds in order to break them and obtain energy for various types of cellular processes is known as metabolism.
The macro molecules breakdown to provide energy that is used for living.
Hence, the correct answer is option D
When h forms a bond with h2o to form hydronium ion, h3o , this bond is called a coordinate covalent bond.
1. B
2.C
3.A (guess)
4.D
5.B
6.C
7.D
Tell me if I got something wrong, I tried my best with these questions.