Describe a couple of ways in which normal flora interact symbiotically with their host. – look up why normal flora is beneficial to the human host

Q: What method is used by bacteriophages to release from the infected host cell? O 1) budding O 2)…

A: Answer is option 4.)lysis.

Q: Why are viruses called obligate intracellular parasites?

A: Virus (latin. Poison) is a nucleoprotein entity which is able to utilize the synthetic machinery of…

Q: Explain how climate can influence disease emergence.

A: The number of diseases in recent years is grouped as a developing infectious disease and they are…

Q: What happens to transmission rates (or exposure) as host range decreases or host density  increases?

A: The transmission rate of a disease can be affected by changes in the host range or density. As the…

Q: The genomes of free-living spirochetes are larger than those of ones that live within an animal…

A: Spirochaete is a member of unique double-membrane bacteria, mostly which are long, helically coiled…

Q: Which type of phages can perform   specialized  transduction?

A: Transduction is the process by which foreign DNA is introduced into the cell by a suitable virus or…

Q: Describe at least four mechanisms that would allow a bacterium X to compete with its host for iron

A: ANSWER:- Protecting the supply lines- Bacterial competition can often be framed in the context of…

Q: Pick any bacterial pathogen, how could its relationship with its host be different if it was similar…

A: Pathogenic bacteria are those who cause harm to host organism. There are few bacteria who cause…

Q: Does an insect disease vector like a mosquito have to intake blood to transmit a pathogen to a host?

A: Yes, mosquito have to intake blood to transmit a pathogen to a host because when a mosquito intake…

Q: Which of the following is NOT a benefit of normal Flora?   Question 2 options: A Normal gflora…

A:

Q: Provide an overview of the normal flora in the human body that candida albicans may interact with?

A: In microbiology, this term is widely used particularly with reference to bacteria, fungi, and…

Q: How does cooking reduce the threat of cross-contamination in choppedvegetables?

A: Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and…

Q: Why are viruses considered “obligate intracellular parasites”?  What does it mean to be “obligate”?

A: Introduction :- Intracellular parasites are microscopic parasites that can grow and reproduce inside…

Q: Archaea are generally resistant to penicillin since they lack a peptidoglycan layer. Select one:…

A: These are single celled organisms which are somewhat similar to bacteria and somewhat like…

Q: Which genera have members that undergo conjugation in order to acquire genetic variability?…

A: The objective of the question is to identify which of the given genera have members that undergo the…

Q: Is protein or DNA the genetic material of phage T2?

A: Phages are the viruses that infect bacteria. They do so by injecting their genetic material in…

Q: ost organisms that are considered resident microbes would fall into which of the lowing categories…

A: Symbiotic relationship is an ecological relationship between two organisms which living in closed…

Q: Tetracyclines are another kind of antibiotics that are made by fungi. They work by inhibiting…

A: Most of the microbes release some secondary metabolites;which are not required for their growth and…

Q: What is symbiosis? Give examples other than those mentioned in the text.

A: Organisms living in an ecosystem influence one another either indirectly or directly. They are…

Q: How would you distinguish a host vs a dead end host?

A: A host is an organism that provides shelter for another organism. For example, a virus or parasite…

Q: A microorganism when obtained from a natural environment and grown in laboratory, it will not be…

A: Microorganisms grow in variable environments. Like some thrive in acidic environments while some in…

Q: What are the 3 pillars of signal transduction that are employed by bacteria for communication?…

A: Signal transduction Signal transduction or cell signalling is defined as the process, in which the…

Q: Define the basic reproduction number for a pathogen.

A: Reproduction is a process of production of new individuals or offspring by the parents. The process…

Q: What is the link between food, Listeria monocytogenes and phages?

A: Pathogens such as viruses, bacteria, fungi, parasites that can cause disease are called disease…

Q: What are some examples of parasitism?

A: Parasitism is a relationship between two living organisms of different species in which one…

Q: Define Agrobacterium-mediated T-DNA transfer?

A: The transfer of genetic material to a plant cell can be done in two methods includes, viral-vector…

Q: Indicate which response would be most important for each pathogen attack. A fungus that can attack…

A: Hypersensitive response- It is a mechanism used by the plants to prevent the spread of infection by…

Q: Briefly point out the role of resident flora?

A: Resident Flora refers to the microorganisms present on the surface of the skin. Actually the…

Q: n which circumstances normal flora can be harmful ?

A: From right after being born till burial, every human being's skin and mucosal membranes are home to…

Q: Describe the morphology of Frankia spp., relate this to their colonization of plants, and explain…

A: Frankia spp. are the type of species of nitrogen-fixing bacteria. They have a symbiotic relationship…

Q: Explain how some bacterial cells may be just as dangerouswhen they are dead as when they are alive.

A: Bacteria are very small living beings that can not be seen by naked eyes. A few living groups can…

Q: Outline the events that lead to formation of a plaque in a lawn of bacterial cells

A: Plaque is defined as  a clear area developed in the lawn of cells as a result of lysis by the some…

Q: Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes…

A: Streptococcus pyogenes is the leading cause of uncomplicated bacterial pharyngitis and tonsillitis…

Q: Explain two benefits of resident flora

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

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.