Exam 5: Microbial Growth

Taq polymerase was isolated from a thermophile and is used in the polymerase chain reaction (PCR) technique.

Superoxide dismutase is indispensable to

Growth is defined as an increase in

Direct microscope counting of cells is an easy and accurate method of computing the exact number of cells in a sample.

The partition that is a result of the inward growth of the cytoplasmic membrane and cell wall from opposing directions is known as the

Explain the difference between the division rate and the generation time.

Turbidity measurements are rapid but are not particularly accurate.

The cytoplasmic membrane must be in a(n)___________ state for proper functioning.

Counting chambers are used for estimating the number of cells present in a liquid culture.

Which environmental factor(s) influences microbial growth?

Irreversible cell damage is more likely to occur at low rather than high temperatures.

When the population doubles during a constant time interval, the growth is said to be

Would you expect a xerophilic organism to be halotolerant? Why or why not?

Cryptic growth occurs when

In a chemostat, the doubling rate and population density can be controlled independently.

Explain the five major limitations to using the direct microscope count.

FtsZ is related to ___________, the important cell division protein in eukaryotes.

What kind of a growth setup might an industrial microbiologist create for a product- oriented project and why?

The main reactions of cell synthesis are the polymerization reactions that make macromolecules from monomers.

When counting colonies on an agar plate,