B is the answer hope this helps
Answer:
A gene is a section of a double-stranded molecule known as DNA. This molecule is found within the nucleus of the cell, contained in threadlike structures called chromatin. The two strands form a double helix linked by a series of paired bases. The base adenine is always linked to thymine and the base cytosine is always linked to guanine.
The nucleus controls all of the functions of the cell, and a captain of the sports team does something similar to that too.
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
B I think…………… let me knowwww
