15. What's the requirement of every single natural process on Earth?
answer: Energy source
Answer:
c. mitochondria
Explanation:
I guess it's due to sunlight being energy and mitochondria uses energy
Answer:
Chromatin
Explanation:
Chromatin means<em> "chroma"</em> in Greek. It can be found in <em>eukaryotic cells</em> with <u>non-dividing nucleus</u>. They make up the<u> chromosomes of cells</u> during <em>cell division. </em>The fibers of chromatin consists of DNA<em> (deoxyribonucleic acid</em>) and proteins<em> (histones and non-histones)</em>.
It is said that chromatins got their name owing to their<em> bright colors when mixed with dye</em>. This was found by scientists who inspected it under a microscope.