(a) Distinguish between biofilms and microbial mats and describe their relative significance.

Q: What is the significance of biofilm presence on medical equipment?

A: Biofilms are a collective aggregation of one or more types of the microbial population together…

Q: Which of the following requires aerobic conditions?   Question 7 options:   A)  nitrogen fixation…

A: Two basic stages in the treatment of wastes - primary and secondary In the primary stage, solids are…

Q: Provide several specific examples of the beneficial effectsof microbes.

A: Microorganisms are the single celled organisms which are usually  seen only under microscope.

Q: Biofilms protect bacteria from antibiotics due to reduced diffusion of the drug.

A: Several living and nonliving surfaces harbour the biofilms which are typically produced due to the…

Q: Ch. 6: Water intoxication may be due to: a) administration of too much hypotonic solution b)…

A: Water is the liquid present in the cells. It has salts and other chemicals dissolved in it.

Q: How does shaking influence the growth rate of a bacterial culture? Why does it matter?

A: Microorganisms are the tiny organism that cannot be seen as such through naked eyes but requires…

Q: Mucous membranes are quite thin and fragile. How can such delicate tissue provide defense against…

A: Answer. Mucous membranes are quite thin and fragile. The mucus physically traps microbes, contains a…

Q: What is the effect of light on microbial growth?

A: Introduction:- The quantity of bacteria in a population, rather than the size of individual cells,…

Q: How do microbial growth factors inhibit (stop) microbial growth ?? 2-What are the consequences/…

A: Hello! Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Identify three other physical factors that microbes must contend with in the environment.

A: The tiny organisms that cannot be observed with unaided eyes are the microorganisms. These organisms…

Q: Explain why high concentration of suger, salt and acid do not support microbial growth, only it have…

A: Microbial Growth refers to the growth of a microbial population i.e., an increase in its cell number…

Q: Salts and sugars work to preserve foods by creating a:   Question 6 options:   A)  depletion of…

A: Protection of foods by salt (usually sodium chloride) or Sugar (usually sucrose) from…

Q: The growth rate of a certain species of bacteria is being modelled to determine the number of…

A: bacteria are prokaryotic unicellular organisms with peptidoglycan cell wall .

Q: Discuss the range of associations among microorganisms and their basic qualities.

A: Microbes can live in association with other microorganisms or with plants and animals. This type of…

Q: Differentiate between transient and resident microbes.

A: Microbes are the microscopic organism found all around us and are too small to be seen by the naked…

Q: Describe the formation of bioprocess product. Please include the following: (a) Product of choice…

A: The above topics are answered below

Q: 6. Water melts at o°C, and solidifies / freezes at that same temperature. (a) At what temperature…

A: Microbiology is the branch of biology which deals with the study of micro-organisms like - bacteria,…

Q: How can Dry/Moist heat, Dessication, and the Cold control the microbial growth affect of cells?

A: Microorganisms are omnipresent. Therefore, they may cause contamination, infection, and…

Q: A doctor prescribes a new antimicrobial drug to treat a patient's bacterial meningitis A student…

A: Penicillin prevents the bacteria to form new cell walls and this is how penicillin works against…

Q: What are the effects of temperature, and pH on microbial growth?

A: Living organisms grow and reproduce. When microbes are provided with sufficient nutrients and…

Q: Describe the importance of a microorganism’s requirements for temperature, O2 , pH, and water…

A: Microorganisms are small/ microscopic organisms which cannot be seen by naked eyes, some are…

Q: According to the Liebig's Law of Minimum, which condition of certain growth factor limits growth of…

A: you have asked many questions and according to our instructions we are allowed to answer only three.…

Q: 5) the serous layer prevents desiccation, but compromises: A) Water transport B) Protection from UV…

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: (i) …………………………… sources such as glucose, xylose, methanol, or lipids

A: Answer  Carbon sources such as glucose, xylose, methanol, or lipids.Reason:Carbon sources:…

Q: How is microbial growth directly dependent on temperature?

A: Microbes are minute, unicellular/multicellular, prokaryotic living organisms that cannot be seen…

Q: If there is too much water outside a cell

A: Movement of water across semi-permeable membrane is known as osmosis. It is a passive transport and…

Q: In some cases, why does a chemical is more effective as a microbicide  when it is diluted rather…

A: An antimicrobial is an agent that kills microorganisms or stops their growth. Antimicrobial…

Q: List and explain the six types of microorganisms.

A: Microorganisms are unicellular, multicellular or microscopic cell clusters. These are beneficial or…

Q: The bacterial slime layer is generally made of polysaccharides (called glycocalyx) and might be…

A: Many bacterial cells secrete some extracellular material in the form of a capsule or a slime layer.

Q: ..is the optimum condition for bacterial growth in soil? O Alkali O Acidic O Slightly acidic to…

A: Slightly acidic to neutral

Q: Microbes can provide beneficial activities. Bioremediation (using bacteria) is a process used to…

A: Microbes, such as bacteria and fungus, are minute single-celled organisms. Most microorganisms are…

Q: Discuss how treatments of biofilm and nonbiofilm infections differ.

A: Biofilm formation of microbes plays a pathogenic role during the infection process and leads to…

Q: How is motility associated with pathogenicity

A: Motility is a characteristic of bacteria which can move freely using their own cell processes…

Q: What is the role of nitrate in microbial metabloism?

A: Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed…

Q: Explain 4 approaches to preventing or limiting biofilms.

A: Biofilms are the aggregation of microbial cells present on solid surfaces.

Q: a. Compare the ancient prokaryotes, their environment and metabolism, with the prokaryotes that…

A: Prokaryotes are small and single-celled organisms. They are very simple in structure. For e.g.,…

Q: Describe the chemiosmotic theory's main characteristics.

A: The chemiosmotic theory states that the transfer of electrons down an electron transport system…

Q: Microbes can provide beneficial activities. Bioremediation (using bacteria) is a process used to…

A: Bioremediation is a waste management technique. Living organisms can be used in this process to…

Q: Explain the difference between vegetative cells and endospores.

A: Endospores formed inside the parent vegetative cell. Endospores are highly durable dehydrated cells,…

Q: Identify microbial adaptations to osmotic pressure.

A: Osmotic pressure is defined as the pressure exerted through a semi permeable membrane until the…

Q: a. What biochemical events in quorum sensing ensure that a biofilmcan function as a unit?b. Explain…

A: For several decades microbiologists thought that bacterial populations are collections of…

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.