I would say they basically work together
Answer:
300
Explanation:
1 cm is 1000dm
so..
take 1.35 times 1000 divided by 450
300!
Answer:
The largest problem is that single viruses may create multiple plaques, resulting on overestimates of the number of viruses present.
Explanation:
Plague assay allows to measure the concentration of viruses in a sample, it is a widely used approach for determining the quantity of infectious virus. Therefore the amount of plaques created by a single virus is not a concern when evaluating the results of plaque assays.
Answer:
Land vertebrates developed lungs, a new vein (the pulmonary vein) to take blood from them to the heart, and a double circulation, whereby the heart is effectively divided into two halves—one-half concerned with pumping incoming deoxygenated blood from the body to the lungs and the other with pumping oxygenated blood .
Explanation:
