A microbiologist inoculates a flask of broth to a concentration of 1000 bacterial cells per ml. The generation time is 1 hour, and there is no lag phase. How long will it be before the culture contains more than 6,000 cells per ml?.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.

Ibelieve the correct answer is c