the microscope
They are always trying very hard to invent new thing. New thing are difficult for scientist to invent.
very small
because they arn't as complex as a human cell
There are trillions of cells in the body so, they have to be extremely small to fit.
A micropipette (very small needle) is inserted into the embryo to extract the stem cells while the doctor or scientist looks through a microscope so they can see it. Most embryos are left over from fertility treatments.
He was already good at science at a very young age because he started trying to invent things at the age of twelve
Because this system is very convenient to deal with very small, or very large, numbers.
They make something very complicated as in very big or small easier to understand
animal cells have either very small vacuoles, or no vacuoles at all, whereas plant cells have very large vacuoles.
animal cells have either very small vacuoles, or no vacuoles at all, whereas plant cells have very large vacuoles.
yes. very. you can't see it unless you have a SUPER microscope.
they are blood vessels that reachout to the cells