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What is binary fossil?

Binary fission is the primary method of reproduction of prokaryotic organisms


Is it true that mountains form as a result of a collision between two continental plates?

That is one method of mountain formation, yes.


Is metabolic activity a direct method to measure growth?

Metabolic activity can be used as an indicator of cellular growth, but it is not a direct method of measuring growth. Metabolic activity refers to the chemical processes that occur within cells, which can be influenced by factors such as nutrient availability and cell division. Growth is typically measured by changes in cell number or size.


What is cross streak method in microbiology?

The cross streak method in microbiology is a technique used to isolate and identify microorganisms from mixed cultures. It involves streaking a sample across the surface of an agar plate in one direction to create a primary streak, followed by a perpendicular streaking pattern to allow for the growth of isolated colonies. This method promotes the separation of individual colonies from a mixture, facilitating further analysis and identification of specific microorganisms. It is particularly useful for isolating bacteria from clinical samples or environmental sources.


Is bactometer a rapid testing or traditional testing method?

Technically it is a rapid test method- since it is based on the measurement of an endpoint that typically occurs earlier than the endpoint of a classical micro method, which of course is the visual detection of growth - seen either as turbidty or colonies by the human eye. It does however have some ties to classical methods- it still is growth based.