Which two structures would provide a positive identification of an animal cell under a microscope? answers:

1. plasma membrane, endoplasmic reticulum

2. golgi apparatus, mitochondrion

3. lysosome, flagellum

4. cell wall, chromatin

Which is the most likely way an automotive engineer would use chemistry

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Which fact represents evidence for the big bang theory?