Biology- 10 points for best answer!?

Question

1. What type of microscope should a scientist use to determine whether the bacteria they are studying have viruses inside them? Why?

2. What's the mathmatical relationship between these units: meter, kilometer, centimeter, millimeter?

Answer 1

1. You need an electron microscope to see the viral particles inside a bacterial cell.

2. kilometer = 1000 meters
centimeter = 1/100 meter
millimeter = 1/1000 meter

Answer 2

1. They don't. If you're checking youg bacteria for viral infection you do a "plaque assay" by adding your test sample to a petri dish that has a lawn of unifected bacteria. Incubate, then count the number of "plaques" -- circles of dead bacteria -- that result from the viruses killing them. From this you can calculate the concentration of viral particles in the original sample.

If you want to see viruses, you're going to need an electron microscope. Very different question.

2. Let Meter = 1
kilometer = 1000 meters
Centimeter = .01 meters
millimeter = .001 meters

Answer 3

donr know the first one but the units are to the power of 10.
1 kilometer is 1000 meters. 1 meter is 100 centimeters.1 centimeter is 1000 millimeters.