Q: Where might you expect to find nitrogen-fixing bacteria?
A: Nitrogen acts as a limiting factor in plant growth. A large amount of nitrogen is required to…
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: Name 5 organisms that can carry out nitrification, write the chemical reaction, what enzyme carries…
A: The nitrogen cycle is the biogeochemical cycle by which nitrogen is fixed and also recycled back to…
Q: What are the key ecological roles of nitrifying bacteria in the nitrogen cycle?
A: Nitrogen is a colorless and odorless element and is the most abundant element in the atmosphere of…
Q: Why are there so many antibiotic-producing organisms in soils?
A: Soil is densely packed with microorganisms.
Q: What type of bacteria can conjugate?
A: Conjugation is the horizontal gene transfer in bacteria by which one bacterium transfers its genetic…
Q: What are three processes that cause nitrogen fixation?
A: BASIC INFORMATION NITROGEN FIXATION it is the process in which the nitrogen (N2) is converted…
Q: What is the difference between nitrification and nitrogen fixation?
A: Nitrogen is one of the most prevalent element in living organisms. It is a component of amino acids,…
Q: What bacterial phyla contain dissimilative sulfur-reducers?
A: Dissimilative sulfur reducers are the bacteria that perform anaerobic respiration in which sulfur is…
Q: How was Escherichia coli modified to produce indigo?
A: Indigo is a dye used mainly for coloring textiles and is derived from plant materials. With the…
Q: What is the colony morphology of these two cyanobacterial species having?
A: Algae are morphologically diverse organisms with the simplest form being the unicellular organisms…
Q: Draw the following compound. (please provide a clear picture) Gentobiose: 2 Glucose, β-(1,6)
A: Carbohydrates are divided into 3 classes monosaccharide, disaccharide, and polysaccharide.…
Q: Explain why eukaryotes cannot fix nitrogen.
A: Nitrogen is a very important component of many biomolecules necessary for the growth and development…
Q: Define bacteriochlorophyll
A: In biology, the term ‘bacteriochlorophyll’ refers to the light green coloured, chlorophyll-like…
Q: Explain the Agrobacterium ?
A: Ans: Agrobacterium: These are Gram-negative organisms which are discovered by H.J. Conn
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: Why Agrobacterium-mediated technology is used ?
A: steps are bacterial colonization induction of virulence system generation of the DNA transfer…
Q: Please help me identify one way that humans utilize microbes and their products in each of the…
A: Bacteria can be found in almost every ecosystem on the planet, including inside and on people. The…
Q: How bacteria helps in pollution control?
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
Q: What is an apoenzyme? Be very specific here.
A: Enzymes are the protein molecules that acts as catalysts in the biochemical reactions and increase…
Q: What is nitrogen fixation? What are the proteins involved? How do they participate in the fixation…
A: Nitrogen is is one of the most common element in living organisms. It is a component of amino acids…
Q: While you were working on the oil spill problem, you received a report showing that the bacteria you…
A: The release of liquid petroleum hydrocarbons into the water bodies like oceans is known as oil…
Q: Why is nitrogen fixation so energetically costly?
A: Nitrogen fixation is the process which involves the conversion of atmospheric nitrogen into usable…
Q: Which of the following is not correct about nitrogen fixation? Carried out only by few prokaryotic…
A: Introduction :- The process by which nitrogen is removed from the atmosphere's molecular form (N2)…
Q: The major pathway of ammonium assimilation combines two reactions in organisms with rich nitrogen…
A: Introduction: Nitrogen is cycled between organisms and inanimate environments. The principal…
Q: hy is nutrient broth considered as a universal growth medium for bacteria?
A: Nutrient Broth is a general-purpose medium for growing a wide range of fastidious and non-fastidious…
Q: name the 2 things heterotrophic organisms include.
A: Organism may be either autotrophs or heterotrophs. Heterotrophs are organisms that cannot produce…
Q: What genus of bacteria transforms ammonia to nitrite in the Nitrogen cycle? A. Nitrobacter B.…
A: Nitrogen cycle is one of the most important biogeochemical cycles, through this cycle Nitrogen is…
Q: Two factors affecting the amount of usable nitrogen in thesoil are a limited number of…
A: Nitrogen is critical as it forms one of the major components of chlorophyll, which is used by plants…
Q: If coliform bacteria are native to human colons, why the big concern over coliform contamination?
A: According to the question, we have to mention the solution of the question asked above i.e. If…
Q: Explain the reason that the obtained organism is either a bacterium or eukaryotes.
A: The reason that the obtained organism is either a bacterium or eukaryotes
Q: Write down the names of four prokaryotic specie with one biotechnological product or application…
A: Prokaryotic: Any organisms that lacks a distinct nucleus and other organelles due to the absence of…
Q: The chemosynthetic bacteria are autotropic or heterotropic?
A: Prokaryotic cells are primitive cells and have no well-defined nucleus and nuclear membrane.…
Q: Identify microorganisms responsible for nitrogen fixation
A: Nitrogen is a critical limiting element for plant growth and production. It is a major component of…
Q: Write down the names of four prokaryotic specie with one biotechnological product or application…
A: Biotechnology refers to the use of microorganism for the production of the desired products which…
Q: What is the ecological and practical importance of methanogens?
A: Methanogens refer to the microorganisms that release methane in oxygen-deficient conditions as a…
Q: What is meant when it is said that a bacteria is an obligate anaerobe?
A: Bacteria earns energy via two modes of respiration i.e. aerobic and anaerobic.
Q: Nitrogenase complexes are irreversibly inactivated by oxygen. Explain how nitrogen-fixing bacteria…
A: Introduction: Nitrogenase is an enzyme complex comprising of dinitrogenase reductase and…
Q: What do you mean by obligate anaerobes? Give some examples.
A: Microorganism is a microscopic organism, which may exist in its single-celled form or in a colony of…
Q: if there are 1,000,000 bacteria and 90% of them are killed, how many bacteria remain?
A: Bacterial growth is an orderly increase in the quantity of cellular constituents and number. It…
Q: What is G+C content of a bacteria? How it can be determined? Why it is not safe to assume that…
A: GC-content is the percentage of nitrogenous bases in DNA or RNA molecule that are either guanine or…
Q: With regard to gram-negative enterics, what do the letters O, H,and K stand for?
A: The major classes of antigens which are used in defining strains of Gram negative bacilli are 0-…
Q: Why is the mold Penicillium economically important?
A: Step 1 Penicillium is a blue or green mold which is a common saprotroph of cold environments growing…
Q: spirulina cyanobacteria is photoautotroph or heterotroph,
A: Spirulina is a multicellular blue green microscopic algae. It is also called as Arthrospira and has…
Name any two free – living nitrogen fixing bacteria.
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- Why is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as O157:H7. Which particular “parts” of the bacterial cell do the “O” and “H” refer to?What is the process by which bacteria convert nitrogen gas in the air to ammonia ?Why is it not safe to assume that two microorganisms with the same G + C content belong to the same species? In what ways are G + C content data taxonomically valuable?
- Why are methanogens like the members of Methanobacteriales resistant to antibiotics like penicillin, ampicillin, and bacitracin?Why would farmers be concerned about nitrifying bacteria?What is G+C content of a bacteria? How it can be determined? Why it is not safe to assume that microorganisms with same G+C content belong to same species? How G+C content data is taxonomically valuable?