Suppose you need to know the cell concentration of a bacteria culture which will be used for genetic transformation, so you decide to spread a plate. you make a 500-fold dilution and take 200îľl of the cell suspension to spread on a plate. after incubation, 85 single colonies were found on the plate. what is the cell concentration of the original bacteria culture?

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.

i think its c. amphipod

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.