A microbiologist inoculates a flask of broth with 1 ml of 100 bacterial cells/ml. The generation time of the species is 1 hour, and there is no lag phase. How long will it be before the culture contains more than 6,000 cells/ml?

Six hours

Explanation:

Given that;

A microbiologist inoculates a flask of broth with 1 ml of 100 bacterial cells/ml

Also, the generation time of the species is 1 hour and there is no lag phase

i.e there is no  period where the individual bacteria are maturing, this will enhance a faster replication

So , since the generation time is 1 hour and we are being given 100 bacterial cells/ml

∴

After 1 hour = replication of the bacterial cells would have been doubled to =200 bacterial cells

2nd hour = 400 bacterial cells

3rd hour = 800 bacterial cells

4th hour = 1600 bacterial cells

5th hour = 3200 bacterial cells

6th hour = 6400 bacterial cells

∴ We can see that at the 6th hour, the culture has contained more than 6,000 cells/ml

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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