which objective lens will still remain in focus when placed at the longest working distance from the specimen?

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.