Answer:
The cell theory states that:
1) The cell is the structural and functional unit of life.
2) All living organisms are made up of cells.
3) All cells come from previously existing cells.
4) There is no life apart from the life of cells
5) All living things are either single cells (unicellular) or group of cells (multicellular)
Answer:
they find temperature humidity air pressure wind speed and direction and other factors
Explanation:
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.
Because it's a tree everybody loves trees