UV is capable of messing with cells on the molecular level, so it ought to be capable of producing the occasional mutation. Whether such mutations can get into the reproductive system is another question.
Answer: A natural killer cell (NK) is a type of lymphocyte that has an activating and inhibitory receptors extending from its plasma membrane
Explanation: A natural killer cell (Nk) is a type of lymphocyte (a white blood cell) that has an AC and inhibitory receptors. It plays a major role in host rejection of both tumours and virally infected cells. It contains specifical protein such as perforin and granules.
Answer: The energy comes from the sun.
Explanation:
A hypotonic solution<span> is one in which the concentration of solutes is greater inside the cell than outside of it, and a </span>hypertonic solution<span> is one where the concentration of solutes is greater outside the cell than inside it.
In Osmosis, direction is from Hypertonic to Hypotonic solution
Hope this helps!</span>
