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: 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: How was the process of bacterial transformation discovered?
A: The reception of bare DNA fragments from the external environment and the manifestation of that…
Q: What are the major problems when manufacturing proteins inbacteria?
A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…
Q: How do heterofermentative and homofermentative bacteriadiffer physiologically?
A: Fermentation is a process that produces energy by the incomplete oxidation of organic nutrients…
Q: What is the function of an endospore?
A: Spores are single-celled reproductive structure that can withstand harsh environmental conditions…
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 were the results from the FTM (Fluid Thioglycerate Media) for the three bacteria (M. luteus, C.…
A: Thioglycolate broth medium is used to determine whether a microorganism i.e. the test sample is…
Q: Why are Archaea resistant to penicillin?
A: Different types of antimicrobial agents are used to inhibit the growth of bacteria. Specific…
Q: This organism belongs to which Class? What is the structure shown in this image?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: What is the role of euglenoids and its dagram?
A: Simple divisions of organisms includes only plants and animals. The animal are further divided into…
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: what are the diffrences between bacteria and archea?
A: Archaea were categorized as bacteria initially, but biochemical studies found that they have…
Q: Are “Bacillus cereus” and “Staphylococcus aureus” prokaryotes or eukaryotes?
A: Prokaryotes are unicellular organisms that consist of a single prokaryotic cell. They are the most…
Q: Why does conjugation occur in bacteria?
A: Conjugation is a process of transfer of genetic material from one bacterial cell to the another cell…
Q: What are bacterial colonies and how are theyformed?
A: Solid media or medium is a liquid or gel which is designed in such a way to provide support for the…
Q: Why do bacteria undergo conjugation?
A: Bacteria are microscopic single-celled organisms that thrive in diverse environmental conditions.…
Q: Why were radioactive sulfur and phosphorous used to label bacteriophage in Hershey and Chase's…
A: Alfred Hershey and Martha chase did so in order to label the protein coat of virus with radioactive…
Q: What is the importance of having a unique membrane component, glycoproteins, among bacteria?
A: Peptidoglycans are a type of polymer made of sugar and amino acids. These polymers form the…
Q: What is peptidoglycan ? What does it contain ?
A: Peptidoglycan is a highly conserved constituent of both the gram-positive and gram-negative…
Q: Which is Baker's yeast?
A: A fungus is any member of the group of eukaryotic organisms that includes microorganism such as…
Q: How does the central dogma differ between bacteria and eukaryotes
A: The central dogma is the process of flow of genetic information stored in DNA to proteins. The…
Q: What are some basic structuralfeatures of prokaryotic cells?
A: A cell is a small self-contained unit within whole organisms. It is the smallest unit of the body.…
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: Do all bacteria have a capsule?
A: Microbes are the microscopic organisms also known as micro-organisms. They cannot be seen with the…
Q: Is peptidoglycan Gram positive?
A: Most bacteria are classified into two broad categories; Gram positive and Gram negative. Both gram…
Q: what are Classes of bacterial mutants?
A: Bacterial mutant are those organisms which have evolved through the time and have adapted to new…
Q: What is the purpose of Agrobacterium cell duplication?
A: Agrobacterium tumefaciens is a pathogenic bacteria that usually causes crown gall disease in plants.…
Q: Is stentor prokaryotic or eukaryotic?
A: Stentor is filter-feeding animalcules that belong to protozoan and are single-celled animals. Some…
Q: How are archaebacteria able to survive and tolerate high heat and low ph.
A: Archaebacteria are the oldest living organisms on earth. They come under kingdom archaea and…
Q: What traits do green nonsulfur bacteria share withgreen sulfur bacteria and purple sulfur bacteria?
A: Introduction Bacteria belongs to Kingdom Monera, which is the only kingdom that contains…
Q: What are the functions of endospores in bacteria?
A: Bacteria are member of a large group of unicellular microorganisms. Bacteria have cell walls but…
Q: What is the composition of peptidoglycan quizlet?
A: All the cells, both prokaryotic and eukaryotic (except plants), possess cell walls in their…
Q: Why is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as…
A: E.coli is a prokaryotic organism (bacteria) found in intestine of animals including humans, this…
Q: What causes bacterial transformation?
A: Bacterial transformation is a process of horizontal gene transfer by which some bacteria take up…
Q: What is the distinguishing feature that identifies prokaryotic from eukaryotic cells?
A: On the basis of organization of DNA, cells are classified into two types - prokaryotic 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: What is the nucleophile that chymotrypsin employs to attack the substrate carbonyl carbon atom?
A: Introduction: Chymotrypsin is a proteolytic enzyme (serine protease) acting in the digestive systems…
Q: Why do most iron-oxidizing bacteria grow at anacidic pH?
A: Iron-oxidizing bacteria are those chemotropic bacteria that obtain the energy for their living and…
Q: In Methicillin resistant bacteria, what have the bacteria developed that allows them to stay alive…
A: Introduction :- Staphylococcus aureus, is a common form of bacterium that can be detected on the…
Q: Under what conditions do endospores typically form?
A: Bacteria are prokaryotes. To continue their species bacteria reproduce. They reproduce both…
Q: What are two ways that some prokaryotes are able to survive in extreme environments?
A: Prokaryotes are the primitive single celled organisms that appear first on the earth surface. All…
Q: What is the mode of reproduction in bacteria?
A: There are generally two types of cells present they are eukaryotic and prokaryotic. Bacterias are a…
Q: What is bacterial conjugation and how was it discovered?
A: Horizontal gene transfer (HGT) is defined as the exchange of genetic material between organisms.…
Q: How could NanoSIMS be used to identify a nitrogen-fixingbacterium?
A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…
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- Visit: http://www.microscopy-uk.org.uk/index-no-ads.html 1. Where do you expect to find a non-flagellated alga? 2. Find Spirogyra. Is it single-celled or multicellular? How does it stay at the surface of the water column? Why would this adaptation be necessary?What is the type of sexual spore (Ascospore or Basidiospore) in: 1. Schizosaccharomyces pombe 2. Rhodotorula rubra 3. Pichia fermentans (if the sexual spore is not present, write N/A)What is the type of sexual spore (Ascospore or Basidiospore) in: 1.Kluyveromyces marxianus 2. Candida parapsilosis 3.Hansenula anomala (if the sexual spore is not present, write N/A)
- NON PATHOGENIC AMEBA Why do we call Entamoeba hartmanii as the small race Entamoeba histolytica? Is it necessary to treat patients with commensal protozoans? Should we report the presence of the non-pathogenic amoeba in the official fecalysis report?Explain how the Red Queen Hypothesis describes the continuously evolving relationship between red grapes and Botiytis cinerea.Describe/define the following terms in relation to cyanobacteria: heterocysts akinete hormogonia gas/vesicles stromatolites
- Describe the features of vegatative and repructice features of saccharomyces and importance to humans. Does the term "yeast" refer to single fungi? Does the microbe that causes a yeast infection have any taxonmoic relationships to the yeast used brewing or baking?Please fill-up/ answer the Descriptive Characteristics for Genus Identification of the Cyanobacterium B.in the Table. Morpho-cytological Characteristics Characters 1. Vegetative cell shape (2D) 2. Vegetative cellular arrangement (grouping) 3. Number of cells in large aggregates (colonies) 4. Layers of trichomes in a filament 5. Presence and shape of a heterocyst in the trichome 6. Presence and shape of akinetes in the trichome 7. Presence of baecytes (endospores) in a colony 8. Polarity and tapering of the trichome 9. Shape of end cells in a filament 10. Presence of a gelatinous or colonial sheath 11.Presence of branching 12. Protoplasm color 13. Protoplasm granulation 14. Thylakoid arrangement if observable (ultrastructural)1. What are the division, locomotive organelle structure and medical importance of these protozoa A. Amoeba giardia euglenaB. ParameciumC. Plasmodium D. TrypanosomaE. euglenaF. Chlorella sp
- Cells of Salmonella are peritrichously flagellated, those ofPseudomonas polarly flagellated, and those of Spirillumlophotrichously flagellated. Using a sketch, show how eachorganism would appear in a flagella stain.How do prokaryotes and eukaryotes differ when viewed under microscope? What are the diffrenebces of movements of protozones under microscope?Question:- List and describe the infections caused by the organism Enterobacteriaceae.