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Ann [662]
4 years ago
6

Earth’s stratosphere is above Earth’s protective atmosphere, having conditions that are dry and cold, have intense ultraviolet s

olar radiation, and vacuum-like air pressure. These factors make the stratosphere a great stand-in for the surface of Mars. Why would scientists want to introduce bacteria into Earth’s stratosphere?
Biology
1 answer:
aliya0001 [1]4 years ago
3 0
What a great way to see how bacteria exposed to Martian-like conditions will survive. By testing how well these bacteria do in the stratosphere we can gain insight into several things. 1) the likelihood that any bacteria still survives on Mars 2) how well bacteria introduced to Mars could survive and if there are existential risks to doing so and 3) how bacteria introduced to harsh conditions react more broadly, even on earth.
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Exotoxin virulence factor is a substance that directly damages cell membranes or enters cells and changes their function.

Exotoxin- Exotoxins are a class of soluble proteins released by bacteria that enter host cells and catalyze the covalent alteration of one or more components of the host cell in order to change the physiology of the host cell. Exotoxins are produced by both Gram-positive and Gram-negative bacteria.

Bacteria- Microorganisms that are unicellular, capable of autonomous reproduction, and generally free-living are known as bacteria. In nature, bacteria are found everywhere. The foundation of all life on earth, they are architecturally basic but functionally sophisticated creatures.

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