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?
A) 12 hours
B) 6 hours
C) 2 hours
D) 4 hours
E) 10 hours
B
You might also like to view...
In the TCA cycle, two carbons in the form of ________ are added to oxaloacetate at the start of the cycle.
A. methanol B. acetyl-CoA C. ethanol D. carbon dioxide
The endoplasmic reticulum is a site for
A) potassium storage in muscle cells. B) drug detoxification by catalase. C) N-linked glycosylation of polypeptides. D) addition of lipid residues. E) both choices B and C
Besides sending messages to and from the brain, the spinal cord has another important function: Reflexes. In fact, in very simple animals, that is the main function of the cord. In higher animals, reflexes are important because they provide
_____ protection from sudden or unexpected environmental harms. _____ stimulation of the brain as a protection against atrophy in situations where voluntary movement is hindered, such as a coma. _____ objective physical evidence of neurological injury. _____ maintenance of life-sustaining processes such as breathing and heart beat, even while sleeping or unconscious.
After 3 replication cycles in PCR, there will be a total of 4 double-stranded DNA molecules.
Answer the following statement true (T) or false (F)