Describe methods that a cell may use to adapt to heavy metal contaminated sites. Define halophile. What is a compatible solute? What are they used for? Describe the industrial uses of Dunaliella? Describe what issues cell harvesting presents on an industrial scale. Explain what stress proteins are and how they are related to the ability of cells to live in extreme environments.

Q: What are the materials used to grow microorganism like Spirulina?

A: Introduction In this question we will discuss about the materials used to grow microorganisms like…

Q: Why is it important for the commercial canning process to destroy the endospores of Clostridium…

A: An endospore is basically a dormant, tough and non-reproductive structure produced by some bacteria.

Q: Explain in detail, the stages of micropropagation.

A: Micropropagation is a method of asexual propagation of plants. An entire plant that is identical to…

Q: List two features limiting the adaptation of nonvascularplants.

A: Non vascular plants are those plants which do not have vascular system, they lack of xylem and…

Q: Many antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein…

A: Antibacterials are used to treat bacterial infections. Antibiotics are classified generally as…

Q: Differentiate anaerobes from aerobes and describe how they are cultured. Explain how both aerobes…

A: Biofilms are structured communities of microorganisms that adhere to surfaces and are encased in a…

Q: Mammalian cell cultures often are used for experimentation. The cell culture medium typically is…

A: Introduction  Cell culture is the process of growing cells in a supervised condition, usually…

Q: Which of the following would be considered a countable number of colonies? x O 1) 7 2) 15 3) 172 4)…

A: According to the question, we have to mention the number of the following option that would be…

Q: Gold nanoparticles are applied in cancer therapy; approaches such as photothermal therapy as well as…

A: Photothermal therapy is the process of using electro magnetic radiation for treatment of cancer.…

Q: Which has a greater impact on the survival of an organism, temperatures above its maximum…

A: The microbes grow in a wide temperature range. The microbial growths are found to be higher at their…

Q: List 5 physical methods of controlling microbial growth, and give an example of each. Why is moist…

A: Heat is one of the best and commonly used physical methods to control microbial growth. By heating…

Q: Discuss why it is difficult to treat wounds infected with toxinproducing bacteria.

A: The toxin can be defined as Bacterial toxins and they are the proteins that are capable of achieving…

Q: Compare and contrast antiseptic and disinfectant. What is the hazard of the splattering tendency in…

A: Introduction Sterilization is the process of completely destroying or eliminating all forms of…

Q: A bacterium using oxidation/reduction of inorganic compounds as the energy source and CO2 as the…

A:

Q: What causes Chlorella variabilis to be inaccessible to its host or has a narrow range of hosts?…

A: Chlorella variabilis is an algae belonging to class Trebouxiophyceae. This microalgae can be found…

Q: Describe the process of host: bacteria recognition, attachment and infection for Rhizobium and…

A: Rhizobium is a type of bacterium that forms a symbiotic relationship with legume plants. This…

Q: Mycotoxins are also medical concerns. How are mycotoxins different from toxins produced by other…

A:

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: Define biofilm and quorum sensing. Explain how quorum sensing is used to direct the activities of a…

A: Biofilms are complex bacterial communities that are adherent to a surface, an interface or to each…

Q: non-pharmacologically manage the Cystic fibrosis?

A: It is an inherited life threatening disorder that damages the lungs and digestive system Cystic…

Q: what is the physical characteristics of this streak plate? Look at a single colony on a streak plate…

A: The visual qualities of a bacterial colony on an agar plate are known as colony morphology. An…

Q: Explain why antifungal agents are less selectively toxic than antibacterial agents.

A: Antimicrobial agents are natural, synthetic or semi-synthetic chemical substances with the…

Q: a) Draw the diagram and describe motility required for the bacteria that have flagella to an…

A: Bacteria are a diverse group of microscopic, unicellular organisms that are categorized as…

Q: A2SRF OPBRF

A: Cyanobacteria are aquatic and photosynthetic bacteria. These are unicellular and grow in colonies.

Q: el antibiotic. Describe two variations in (a) culture substrate and (b) culture conditions you might…

A: introduction Actinomycetes are Gram-positive filamentous bacteria with fungal morphology. they're…

Q: What challenges and advantages do you see with the use of extremeophiles in industrial or…

A: Extremophiles are microorganisms that can survive in conditions that most other forms of life would…

Q: What is a generally minimum pH for growth and toxin production by Clostridium botulinum and other…

A: Clostridium botulinum is a Gram-positive, rod-shaped, anaerobic, spore-forming, motile bacteria that…

Q: The growth of spores to mycelium is known as ...................... Answer:

A: Fungi is a heterotrophic organisms. They show a great diversity in morphology and habitat. They are…

Q: Thermoplasma and Picrophilus grow best in which of the following extreme conditions?a) Low pH     b)…

A: Answer is d.) a and c.

Q: The generation time of a bacterium was measured at two different temperatures. Which results would…

A: The small microscopic, unicellular organisms that are generally not visible to the naked eye are…

Q: Many antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein…

A: Introduction Antimicrobials are medications that treat diseases caused by microbes, these are agents…

Q: Mechanism of moist-heat sterilization is by Select one: DNA damage Oxidative processes require…

A: Sterilization is the laboratory procedure that helps to kill microorganisms from the vessels,…

Q: Differentiate between psychrophile and psychrotroph.

A: Different microorganisms require an optimal range of temperature conditions to survive and thrive.…

Q: How do the unique structural characteristics of mycoplasmas relate to their bacterial morphology?

A: Mycoplasmas are fast-growing bacteria that do not have a cell wall. They belong to the class…

Q: Describe the viable but non culturable (VBNC) dormant state and the production of small colony…

A: Introduction :- Bacteria are a type of single-celled microorganisms that can be found in various…

Q: Which of the following would occur if a motile bacterium were moving towards an attractant A) O a…

A: Chemotaxis is the movement of a cell towards or away from any chemical source. Two chemotaxes exist,…

Q: Account for all of the protective effects offered by insecticidetreated bednets.

A: The diseases caused by causative agents such as bacteria, viruses, fungi, and protozoa are highly…

Q: Which of the following is NOT true about endospores? 1) Spores are resistant to heat, radiation,…

A: Endospore production is normally caused by the complete absence of nutrients and favorable…

Q: why is microalgae spirulina is most commonly used to reduce air pollution?

A: Pollution is the presence of harmful substances in the environment. These harmful substances are…

Q: Which of the following is correct about biofilms? O 1) They are comprised only of psychrophiles. O…

A: Biofilms are collective group of organisms that grow together on different surfaces. Bacteria,…