Do obligate anaerobes require a functional oxidase, why or why not?

Q: Are all organisms with oxidative respitory pathways necessarily strict aerobes? Explain.

A: Oxygen is the last electron acceptor toward the finish of the electron transport chain of vigorous…

Q: You have 2 organisms, A and B. One is an obligate aerobe and the other is an obligate anaerobe. You…

A: Microorganisms are categorized based on their oxygen requirement: Obligate aerobes Obligate…

Q: Define the following terms: a. Chermolithoheterotroph b. Microaerophile c. Chermoorganoheterotroph…

A: The living world, as we all know it, can predominantly be divided into - Plants and Animals. Apart…

Q: Why is excreted organic matter important to many ironoxidizers?

A: Iron oxidizers are chemotrophic bacteria that derive their energy by oxidizing dissolved ferrous…

Q: Define nitrogen fixation. What organisms are capable of nitrogen fixation?

A: Nitrohen fixation is a biochemical process for the utilization of atmospheric nitrogen gas. The…

Q: Which phosphorylation method is/are used by chemoheterotrophs?

A: Organisms that synthesize their own food are referred to as autotrophs and organisms that do not…

Q: Do bacteria that exhibit an anaerobic life style require catalase?

A: An anaerobic organism is an organism that does not require oxygen for growth. The anaerobic…

Q: Define obligate aerobe, facultative anaerobe and obligate anaerobe. Describe the enzymes and their…

A: An obligate aerobe is an organism that uses oxygen for its growth. These organisms use oxygen to…

Q: The annamox reaction

A: it is anaerobic ammonium oxidation in this reaction. oxidation ammonium to dinitrogen gas using…

Q: Which organism(s) would likely be classified as an alkaliphile?

A: The pH is a negative logarithm of the hydrogen ion concentration. It measures how many hydrogen ions…

Q: Would an obligate anaerobe or an obligate aerobe be more likely to produce catalase? Why?

A: Introduction :  obligate anaerobes are those bacterium that can live only in the environment…

Q: The Fas receptor is most likely to be active by; mitochondrial release of cytochrome C DNA damage…

A: Apoptosis is the programed cell death that can occur by external or internal stimulus. Apoptosis…

Q: With respect to sulfate-reducing bacteria and acetateas substrate, which genera contain “incomplete…

A: Sulfate-reducing bacteria are the bacteria that exhibit sulfate dependent anaerobic respiration.…

Q: You have discovered a new microorganism that oxidizes ammonia. How will you determine if this…

A: Thaumarchaeote is a prokaryote which belongs to Archaebacteria. The archaebacteria and bacteria…

Q: What do you mean by obligate aerobes? Give some examples.

A: There are two types of organisms- Aerobic and Anaerobic depending on the need of oxygen. Aerobic-…

Q: Explain the mechanism and reason why body temperature rises to 39oC when some systematic or…

A: Enzyme can work best at a particular temperature. It's called the optimal temperature of that…

Q: Why mightproteorhodopsin make a bacterium such as Pelagibacter morecompetitive in its habitat?

A: Proteorhodopsin(pRhodopsin) is a family of transmembrane proteins which is the most abundant retinal…

Q: How do cyanobacteria survive freezing and desiccation?

A: Cyanobacteria or blue-green algae are gram-positive, photosynthetic prokaryotes. They are one of the…

Q: Why are other microorganisms have endospores but others do not have?

A: Introduction :- Endospores are a type of dormant cell produced by some bacteria and archaea that can…

Q: If Clostridium botulinum is an anaerobe, how might botulinum toxin get into food?

A: Answer: Clostridium botulinum is the bacteria which is responsible to cause botulism in humans. This…

Q: Which types of bacteria are killed by the oxygen-dependent mechanism of killing, aerobic or…

A: Oxygen dependent killing is a type of phagocytic killing. In this type of killing, reactive oxygen…

Q: Why do some bacteria grow in the presence of salts?

A: Carl woese in 1990, devide living world in three groups or domains Archaea, Bacteria and Eukarya.…

Q: A chemolithoautotroph is respiring using only iron (Fe3+) and nitrite (NO2-). This bacterium does…

A: * Chemolithoautotrophs are autotrophic organisms gets their energy that is ATP from oxidation of…

Q: What are Thermoacidophiles ?

A: Thermoacidophiles are organisms that prefer to grow at high temperatures (80°C) and at low pH (pH…

Q: How do facultative anaerobes differ from obligate anaerobes? How do they differ from aerobes?

A: Anaerobes and aerobes are the different types of organisms present in the environment. They can be…

Q: Is H2S a substrate or a product of the sulfate-reducing bacteria?Of the chemolithotrophic sulfur…

A: Chemolithotrophs use electron benefactors oxidized in the cell, and channel electrons into…

Q: Why is the enzyme hydrogenase useful to Desulfovibrioeven when it is not grown on H2 as electron…

A: Desulfovibrio  is a genus of a gram-negative bacteria which is a sulphate reducing. Desulfovibrio…

Q: Clostridium tetani is a common soil bacterium and causes tetanus. Would you expect C. tetani to…

A: Clostridium tetani, a Gram-positive rod that forms a terminal spore is commonly found in the soil,…

Q: Describe the metabolism for each of the following Bacteriaand state whether the organism is an…

A: Bacteria are single-celled prokaryotes ubiquitous in nature. As such, they can be found in different…

Q: Why would sulfur-oxidizing bacteria store sulfur? +

A: BASIC INFORMATION BACTERIA  It is one of the type of biological cell. They belong to prokaryotic…

Q: What mechanisms do free-living diazotrophs use to protectnitrogenase from oxygen?

A: The biological fixation of dinitrogen is the most important way to access N to organisms, this…

Q: Match the following characteristics to either (a) autotrophsor (b) chemoheterotrophs:Many…

A: Microorganisms are ubiquitous, and they are abundant in nature. They are involved in maintaining the…

Q: hy Are Mycobacteria Acid Fast?

A: Acid-fast bacteria, commonly known as acid-fast bacilli or simply AFB, are a type of bacteria that…

Q: how do bacteria detoxify toxic oxygen from metabolites

A: OXYGEN TOXICITY:- The oxygen molecule that is single and excited is very reactive in its nature. So,…

Q: What is a major habitat for many species of Acidobacteria?

A: Acidobacteria   Acidobacteria is a species of bacteria. Members of this species vastly differ…

Q: How is the presence or absence of viable endospores related to sterility?

A: Endospore is a resistant asexual spore that develops inside the bacteria under the extreme…

Q: Are there any types of Bacteria or Archaea that areable to oxidize ammonia to nitrate?

A: Archaea and bacteria are referred to as prokaryotic unicellular organisms. Initially, archaea were…

Q: at is the Function of Leghaemoglobin in nitrogen fixation.

A: Nitrogen fixation is any natural or man-made process that causes a free element (N2), which is a…