Which microscope will be most useful for quickly estimating the number of red blood cells and the patients blood sample

Which taxon group is more specific, in regards to organisms that are in that group? mammalia animalia

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell