Answer:
<h2>False</h2>
Explanation:
Natural killer cells (NK cells) are a type of lymphocyte and also a component of innate immune system. NK cells play various functions in immune system and they play a major role in the host-rejection in virally infected cells.
NK cells are activated in response to interferons and also by various other responses. NK cells work to by secreting IFNγ and TNFα. Natural killer cells play a very important role in early host defense against viruses.
Answer:
ARGON
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the element that is in the group 18 periodic 3 is argon
When a cell is not dividing, the DNA is loosely spread throughout the nucleus in a threadlike form called chromatin.
Where the picture but,The Plasma membrane maintains the homeostasis throughout a cell because it <span>filters what substances go in and out of the cell. </span>
Answer:
Plants are really important for the planet and for all living things. Plants absorb carbon dioxide and release oxygen from their leaves, which humans and other animals need to breathe. Living things need plants to live - they eat them and live in them. Plants help to clean water too.
Explanation:
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