1. how do you calculate magnification on a microscope?
2. explain how to focus a microscope using the high-power lens. include any safety issues you need to be aware of.
3. why is it important to keep a microscope covered when you’re not using it?

Is there any solid scientific evidence that humans have been cloned?

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.