What are the steps in nitrate reduction as carried outby Pseudomonas species? What is this metabolic processcalled?

Q: What is the process by which bacteria convert nitrogen gas in the air to ammonia ?

A: Almost 80% of the atmosphere is made of nitrogen. It is an important constituent to make up bio…

Q: Is the plasmodium falciparum a facultative anaerobe? If not, what would it be?

A: Plasmodium falciparum is a protozoan parasite, that is the causative agent of the most severe form…

Q: How does E coli grow in liquid medium?

A: The liquid medium is used to grow the bacteria culture in the test tube and also it will involve the…

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: How do the products of NO3- reduction differ between E. coliand Pseudomonas?

A: E.coli is a type of bacteria that is mostly found in the human intestine and gut of some animals. It…

Q: List two metals that are oxidized by sheathed bacteria.

A: The procedure in which atom or compound loses an electron termed oxidation. Metals get easily…

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: Account for the ability of streptococci to tolerate O2 in the absenceof catalase activity

A: Bacteria are prokaryotic organisms that have an undefined nucleus and nuclear membrane. Most of the…

Q: In the traditional alkaline lysis method, what is the purpose of SDS in sokution 2?

A: A bacterial cell has additional circular DNA (called plasmid) in addition to the chromosomal DNA.…

Q: why is it that psychrotrophs placed in TSA medium are incubated at 7oC?

A: Psychrophiles are organisms that can survive and reproduce in low temperatures as low as -20 degrees…

Q: How would someone design an experiment to test the role of azithromycin on quorum sensing in…

A: An opportunistic human pathogen known as Pseudomonas aeruginosa uses quorum sensing (QS) to regulate…

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: 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: How is SO42- converted to SO32- during dissimilative sulfatereduction? Physiologically, how does…

A: It is a type of anaerobic respiration exhibited by some bacteria and archaea. The use of term…

Q: What are relation between CRP and pneumococci C ploysaccharide?

A: C-Reactive Protein:  The blood plasma contains an annular (ring-shaped) pentameric protein called…

Q: How do microbes differ in their response to oxygen levels? Why would they differ? What enzymes are…

A: Microbes, or microorganisms, are small, single-celled organisms that are ubiquitous in the…

Q: Contrast an aerotolerant and an obligate anaerobe interms of sensitivity to O2 and ability to grow…

A: Oxygen (O2) plays an important role for bacterial growth; which is incapable to grow or metabolize…

Q: In what ways are the dissimilative iron-reducingbacteria Shewanella and Geobacter similar, and in…

A: Similarity between iron reducing bacteria Shewanella and Geobacter is:- Both the species  Geobacter…

Q: How do streptokinase and coagulase promote bacterialinfection and invasion?

A: A bacterial infection is a proliferation of a dangerous bacterial strain inside or on the body.…

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

A: INTRODUCTION Chemolithoautotrophs These are organisms that obtain energy from oxidizing inorganic…

Q: what is the optimal growth conditions of E.coli in freshwater. discuss it in detail.

A: Escherichia coli (E. coli) is a Gram negative, rod-shaped bacterium that is commonly found in the…

Q: How do STEC strains of Escherichia coli differ from otherpathogenic E. coli?

A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…

Q: What is demanufacturing, and why is it used for some types of waste?

A: Demanufacturing was suggested as a way to reduce the environmental footprint while maintaining the…

Q: Name any two free – living nitrogen fixing bacteria.

A: The nitrogen cycle is a biogeochemical cycle in which the inert nitrogen is converted into the…

Q: What molecular adaptations to cold temperatures are seen inthe cytoplasmic membrane of…

A: Psychrophiles protect themselves from an expansion of ice and freezing by the vitrification and…

Q: Is the Peptone Iron Agar (PIA) a complex or defined medium? Explain based on its composition. Is the…

A: Depending on their composition, media can be classified as defined and undefined media. Defined…

Q: On what medium is the membrane filter incubated? Describe the appearance of coliforms on this…

A: Membrane filter technique is used for the enumeration as well as isolation of microbes in the water…

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: How is the precipitation of proteins by alcohol applied in the fixing of tissues for histological…

A: Histology is generally the study of tissue types for identification and diagnosis purposes for cell…

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: What characteristic of the methanogens makes it logical to discuss them with the Bacteria rather…

A: Methanogens are a group of microorganisms belonging to the domain Archaea. They are unique in their…

Q: Describe a key physiological feature of the following Bacteriathat would differentiate each from the…

A: Bacteria that are able to convert ethanol to acetic acid are classified under the genus of…

Q: What is the stimulus for endospore production in bacteria?

A: The structures that are formed inside certain bacteria known as Endospores. Common bacteria species…

Q: How does one can differentiate S. pneumoniae from E.coli

A: Streptococcus pneumoniae is a gram positive diploccoci whereas E.coli is a gram negative rod shaped…

Q: What is the oxygen requirement and gram reaction of Pyrodinium bahamense and Caulerpa lentillifera?…

A: Oxygen is a gas that is necessary for life. Oxygen is needed for respiration, which is the process…

Q: List three genera of Betaproteobacteria that containchemolithotrophic species.

A: Lithotroph: These are the different groups of organisms that use the inorganic substance for energy…

Q: What are the components of a carbon-free broth or minimum medium for E.coli ? An example for broth…

A: To find: The components of carbon free broth for E.coli. Example for broth. E .coli is a gram…

Q: Bacteria in the genus Clostridium are known for living within the deepest areas within puncture…

A: A genus of bacteria called Clostridium is well known for its capacity to flourish in significant…

Q: Which fermentation pathway does Enterobacter aerogenes use to ferment glucose?

A: Enterobacter aerogenes are small ,rod shaped cells which are motile and encapsulated .It is a gram…

Functional Diversity