Answer:
true
Explanation:
the condenser lens is the size of the electron beam and the main objective lens is to focus the beam on the sample
so that scanning electron microscope have two projector lens
sorry if its not correct
<span>c. cilia and flagella
</span>Which two cellular structures help cells move around?
NOT:
a. nuclei and cell walls
b. chloroplasts and endomembrane systems
<span>d. ribosomes and mitochondria</span>