Its due when focusing the microscope on scanning power (4x), the knob is used..  when focusing the microscope on high power (100x), the knob is used.                when working with a microscope to focus on a specimen identify one safety issue to consider when switching to a higher power objective   why is it important to keep a microscope covered when you’re not using it?

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules, vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

What is the most appropriate method of gaining weight (muscle mass)

The cluster of developing cells from conception until birth is called an