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: What is the function of ubiquitin-conjugating enzyme?
A: Protein are degraded or proteolyzed by tagging it with Ubiquitin (76 amino acid protein).…
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: Why is it desirable for a microbe with the Embden-Meyerhof pathway and the TCA cycle also to have…
A: Microbes are single cellular organisms that are unable to view through the naked eyes. They can be…
Q: Describe two beneficial contributions of the lactic acid bacteria.
A: Lactic Acid Bacteria are a group of bacterial species that specializes in the formation of Lactic…
Q: The highly pathogenic anaerobic bacterium Clostridium perfringens is responsible for gas gangrene, a…
A: Based on the understanding of the structure of the fibrous protein, the glycine is present at each…
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: 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: What is the expected isotopic composition of carbon inmethanotrophs (bacteria that consume CH4)?
A: Introduction Methanotrophs are prokaryotic organism which can be either bacteria or archaea. They…
Q: What is the function of peptidoglycan in bacterial cells?
A: Peptidoglycan is also known as Murein. It is a polymer that is made-up of amino acids and sugar…
Q: How would you design a regulatory system to makeEscherichia coli use succinic acid in preference to…
A: Catabolite repression is a global control of microorganisms. It assists the microorganisms to adopt…
Q: ermination in prokaryotes?
A: Transcription is the process by which information in a DNA sequence is copied to a new messenger…
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: does Citrobacter Freundii have a zone of inhibition?
A: Zone of inhibition is a circular zone around the spot, where antibiotic has been applied, in which…
Q: What is the significance of studying sialic-binding lectins in microbiology? What other lectins are…
A: Lectins are carbohydrate-binding proteins that attach to sugar groups in other molecules, causing…
Q: Why can bacteria (prokaryotic cells) not undergo cellular respiration? What process do they use to…
A: The reaction of the conversion of biochemical compounds for the production of Adenosine triphosphate…
Q: What does it mean to say that a cell is “competent” and how is this relevant to natural bacterial…
A: Cell transformation is the process of transforming a cell genetically, that is, changing the genetic…
Q: Why is penicillin such an effective inhibitor of the transpeptidase?
A: Transpeptidase is an enzyme that catalyzes a nucleophillic carbonyl substitution reaction necessary…
Q: Why are some bacterial transformations ofxenobiotics possible only through cometabolism?
A: The chemical substances that are regarded as foreign to animal life are referred to as xenobiotics.…
Q: What is peptidoglycan and why is it important?
A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…
Q: The chemosynthetic bacteria are autotropic or heterotropic?
A: Prokaryotic cells are primitive cells and have no well-defined nucleus and nuclear membrane.…
Q: When do the regulators CtrA and GcrA carry out their mainroles during the Caulobacter life cycle?
A: Caulobacter is a bacteria that belong to the phylum proteobacteria. Caulobacter crescentus is a…
Q: In bacteria with cell walls that contain LPS, which of the following is true of the LPS layer?
A: Answer - Option B - It contains Lipid A, which can have toxic effects on mammals if released.
Q: What do you expect to happen when there is cell growth in E.coli in the presence of low oxygen…
A: A "microbe" is a living entity that is so tiny that it cannot be seen with the naked eye.…
Q: Why yeast grow faster it growth medium is supplemented with erythromycin under aerobic growth…
A: Whenever any growth medium is inoculated with yeast, it is not just yeast that starts growing. It is…
Q: What is the composition of peptidoglycan quizlet?
A: All the cells, both prokaryotic and eukaryotic (except plants), possess cell walls in their…
Q: What kind of enzymatic activities are required to grow the peptidoglycan cell wall?
A: The growing of peptidoglycan requires several enzymatic reactions which occur at the cytoplasm,…
Q: Why might bacteria use quorum sensing to regulate genes needed for virulence? How might this reason…
A: Quorum sensing is the capacity to identify and respond to cell population density through gene…
Q: How do bacteria detoxify toxic oxygen metabolites?
A: The physical requirements optimal for bacterial growth vary dramatically for various bacterial…
Q: Name the phases of bacterial growth in which cells are the most Heterogeneous- Homogeneous-…
A: BACTERIAL GROWTH:- Bacteria when transferred to a known medium, the population undergoes a…
Q: What are the regulatory roles of c-di-GMP in biofilmformation?
A: Quorum sensing is a way of communication between cells to respond at certain population density by…
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: Which genera of dissimilative iron-reducers contain facultativeaerobes?
A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…
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 are the physiological traits that can differentiatesulfur-reducing bacteria from…
A: The physiological traits are those characteristics of the bacterial species that are attributed to…
Q: How do denitrifying and sulfate-reducing bacteriadegrade hydrocarbons anaerobically and…
A: Nitrification: Air is a mixture of gases that consists of Nitrogen (approx 79%) which is…
Q: What is quorum sensing?
A: It was discovered by Kenneth Nealson, Tery Platt, and J.W. Hastings in the year 1970. Many living…
Q: What is the evolutionary significance of the enzymes; superoxide dismutase, catalase and peroxidase?
A: The enzymes can enhance the rate of the chemical reaction faster without changing themselves. It…
Q: What is the generic name of Nadril?
A: Antidepressants are drugs that can help ease depression symptoms, affective disorders, anxiety…
Q: Besides autoinducer synthesis, what intracellular moleculepromotes biofilm formation in many…
A: Autoinducers are produced by the bacterial cells as signaling molecules that act in response to…
Q: How would azithromycin influence quorum sensing in this bacterium?
A: The bacteria are communicating with each other by the process of qurum sensing. It helps them to…
Q: Why is EF-Tu so important in E. coli?
A: Ef- Tu directs the next tRNA to its connects position in ribosomes
Q: Which of the following is FALSE with regard to lysozyme?
A: This function is carried out by the immune system. Immunity is divided into innate and adaptive.…
Q: How does the membrane structure of hyperthermophilicArchaea differ from that of Escherichia coli and…
A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…
Q: What specific eukaryotic enzyme does the archaeal RNApolymerase resemble?
A: RNA polymerase is a multi-subunit enzyme that catalyzes the process of transcription where an RNA…
What bacterial phyla contain dissimilative sulfur-reducers?
Dissimilative sulfur reducers are the bacteria that perform anaerobic respiration in which sulfur is the terminal electron acceptor and forms hydrogen sulfide as the product.
Step by step
Solved in 2 steps
