Bacteria is constantly forming on the outer layer of your skin. It is looking for a way to invade your body. Your body reacts by simply throwing away the outer layer of your skin. It does that a cell at a time, but it does it constantly. Those cells must be replaced. To do that, the cells underneath must constantly reproduce and create new skin cells.
youre moms cells
Mitosis is the division of cells. All the cellular contents get dived up between the two daughter cells, and the DNA is duplicated and then separated into both cells, so that both daughter cells have identical copies of DNA. This is different from meiosis which is how gametes (sex cells - sperm and eggs) divide.
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muscle cells regenerate, nerve cells don't. That is why your muscle is only sore for a couple of days but youre paralized forever.
ribosomes
A grid.
ofcourse not. they are different plants and youre not even sure if the cells still survived when you removed it.
Because marijuana is stored in your fat cells and in the fatty cells of your brain they would not throw away your blood. however when they ask you if you have used drugs recently its important youre honest.
dust is made from dead skin cells, it mostly happens when you are asleep. youre body repairs itself and gets rid of the old skin cells, then the dead skin cells are eventually made into dust, and is therefore found mostly in corners of bedrooms.. etc...
aurevoir (if youre saying bye) par(if youre saying by like if youre writing a story)
check youre answer
if your dating youre not very close to him/her if youre in a realtionship than youre very close to him /her