The size of the zone of inhibition is dependent on the diffusion rate of the antibiotic, the degree of sensitivity of the microorganism, and the growth rate of the bacterium.
It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not...
If it does not have enough sun the stem will be spindly and not look well
more
stem thickness is highly regulated and is related to overall growth speed. one can use plant hormones to slow down...