Answer:
it is b because rest are biotic and also cause it is the only biotic thing available
Explanation:
I know it is right
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA<span>). Passed from parents to offspring, </span>DNA<span> contains the specific instructions that make each type of living creature unique.</span>
The cellular structures that are the machines that essentially build proteins needed for the cell to grown and survive, would be the ribosomes, these small granule like organelles are found throughout the cell, whether they be freely floating in the cytoplasm of the cell or attached to the endoplasmic reticulum. They are the site for where the tRNA's complementary base pair their anticodons to the codons present on the mRNA strand.
