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Is it true that a sterile environment is free of actively growing cells and microorganism but may contain viruses or dormant life forms such as endospores?
False
What do endospores do?
Endospores store genetic material.
Where are endospores located within vegetative cells?
Endospores can form within different areas of the vegetative cell. They can be central, subterminal, or terminal. Central endospores are located within the middle of the vegetative cell. Terminal endospores are located at the end of the vegetative cell. Subterminal endospores are located between the middle and the end of the cell.
Why does exposure to uv radiation cause death in vegetative cells but not endospores?
Endospores are more resistant for several reasons
Assume you stain Bacillus by applying malachite green with heat and then counterstaining with safranin Through the microscope the green structures are?
The malachite green penetrates the endospores, the counterstain of safranin will stain the vegetative cells. Endospores - greenish-blue Vegetative Cells - Red/Pink
Is it true that a sterile environment is free of actively growing cells and microorganism but may contain viruses or dormant life forms such as endospores?
False
Which group of microorganisms have the property of highly resistant endospores under certain growth conditions?
Group C. I'm in microbiology right now. Group A are vegetative forms of most bacteria and enveloped viruses that are easily killed by disinfectants. Group B are more difficult to kill, like tuberculosis baccillus and unenveloped viruses. and Group C have highly resistant endospores.
What do endospores do?
Endospores store genetic material.
Is cocci assotiated with endospores?
Bacillus cells produce endospores.
Does a saprophyte have endospores?
Endospores are able to exist for hundreds of years before they resume growth. Saprophytes are decomposing bacteria that contain endospores.
What is the purpose of the bacterial endospores laboratory exercise?
To differentiate the bacterial endospores from the vegetative cells and to identify the morphology and location of the bacterial endospores.
What are the advantages of producing endospores?
The main advantage of producing endospores is that they are used to ensure certain things are sterile. Autoclaves use endospores to successfully grow.
What are the effect of bacilli viruses?
Bacilli viruses are simply viruses that have a rod-like shape to them. Recently, one of the bacilli viruses has become very famous; Bacillus anthracis which is a bacterium that is commonly known anthrax. This deadly bacteria is dangerous because of its ability to produce endospores which is how bacteria protect themselves, giving them a longer life. Many bio-weapons use bacilli viruses and these can kill humans in various ways.
Are endospores acid fast?
No, endospores are not acid fast because they are not cells. Endospores will stain with the acid fast stain and look fuchsia but they are not positive for acid fast.
Where are endospores located within vegetative cells?
Endospores can form within different areas of the vegetative cell. They can be central, subterminal, or terminal. Central endospores are located within the middle of the vegetative cell. Terminal endospores are located at the end of the vegetative cell. Subterminal endospores are located between the middle and the end of the cell.
Where may one find endospores within a bacterial cell?
stored within bacteria endospores ++
Does Mycobacterium smegmatis have endospores?
No.
