Cyanide
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Carbon monoxide is a gas that can block aerobic metabolism by binding to hemoglobin in red blood cells more strongly than oxygen, preventing adequate oxygen delivery to tissues. This interference can disrupt the cell's ability to use oxygen for energy production through aerobic metabolism.
Cyanide is a chemical that blocks aerobic metabolism by binding irreversibly to cytochrome c oxidase, an essential enzyme in the electron transport chain of mitochondria. This prevents cells from utilizing oxygen, leading to cellular asphyxiation and ultimately cell death.
Monera bacteria can be aerobic (requiring oxygen for metabolism) or anaerobic (able to thrive without oxygen). Some species are capable of both aerobic and anaerobic metabolism, depending on the environment they are in.
Obligate aerobes require oxygen to survive. These bacteria rely on oxygen for their energy production and metabolism. Without oxygen, they are unable to grow.
These two are aerobic with Oxygen and anaerobic without Oxygen. Aerobic metabolism of lactate is proceeded in the presence of O2. Aerobic metabolism of lactate is incapacitated in the absence of O2, and the resulting anaerobic metabolism of lactate yields Lactic Acid which provides Muscle Burn.
Facultative anaerobic bacteria can switch between using aerobic and anaerobic metabolism depending on oxygen availability. Obligate anaerobic bacteria cannot survive in the presence of oxygen and rely only on anaerobic metabolism, while obligate aerobic bacteria require oxygen for survival and use aerobic metabolism exclusively.