I'm pretty sure the answer would be A. Chromosomes contain one or more genes.
Answer: Micro villi
Explanation:
The cellular structures that increases the superficial surface area of the cell is known as micro villi. It is an extension of cell membrane.
This structure helps in the increasing the surface area for the maximizing the absorption of food materials.
It also helps in providing a large area in a very compacted space. It is found at many places in the human body such as in small intestine.
cause an increase in the rate of certain mutations
B. DNA.
hope this helped!
The Electromagnetic spectrum<span> lists the most powerful EMR, </span>gamma<span> rays, to the least powerful EMR, radio waves. In addition, the highest energy waves (</span>gamma<span>, x-ray) have the shortest wavelengths. The lowest energy waves, radio waves, have longest wavelengths.</span>