Q: why a pathogen COULD need to turn off certain genes when infecting a host?
A: Pathogens (specially bacterial pathogens) are equipped with some specific virulence genes located…
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: If a single bacteriophage infects one E. coli cell present on a lawn of bacteria and, upon lysis,…
A: Bacteria are microscopic, single-celled organic entities that thrive in diverse environments. These…
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: Are viruses considered as cells? why or why not?
A: "Virus" means poisonous fluid in Latin language. This term was coined by Louis Pasteur for an…
Q: What are two important points that are required for both host and viral DNA replication?
A: Viruses are group of infectious agents that multiply in living cell and can lead to infection and…
Q: Which of the following is NOT a feature associated with viruses? a. Cytoplasm c. Protein coat b.…
A: Viruses are small, submicroscopic infectious agents that are capable of growth only inside the host…
Q: Phage is another term for which non-living, infectious agent?
A: Phages are non living infectious agents. These are obligate parasites.
Q: Hana comes from an island town of 2000 people. She goes to the mainland with a friend and there they…
A: Given information On the island there are 2000 people. Hana returns with a friend from the island…
Q: Your biology lab instructor gives you a petri dish of agar covered with visible colonies. Your lab…
A: Bacteria are the prokaryotes that lack the well-defined nucleus.
Q: Why do viruses exist?
A: Viruses are minute particles that can be found virtually anywhere on the planet. They can be found…
Q: Explain Lytic and lysogenic modes of reproduction?
A: Bacteriophages are viruses that attack bacteria. Viruses reproduce by two mechanisms mainly: Lytic…
Q: Why are prokaryotes able to replicate so much more quickly than eukaryotes? What cellular components…
A: Answer: PROKARYOTES = These are the cells which lacks cell oragnelles and a well defined nucleus.…
Q: replicate,
A: The substance which controls the inheritance of characters or traits from one generation to the…
Q: (a) What is the relationship between the temperature and the rate at which the Bacteria X…
A: Bacteria are single-celled organisms with a limited size. Bacteria can be found almost anywhere on…
Q: How will you know if a disease-causing bacterium in plants is motile or non-motile?
A: Asked : Process to know if a disease-causing bacterium in plants is motile or non-motile.
Q: What do you mean by pinocytic reproduction?
A: The structure of viruses allows them to succeed in their main mission, i.e. reproduction. It is of…
Q: Why are viruses are not regarded as true living cells?
A: Virus is a small, microscopic infectious agent, made up off either DNA or RNA, surrounded by protein…
Q: Why can viruses not replicate independently of living cells?
A: Introduction Central Dogma: it is the key mechanism by which DNA can be transcribed into mRNA by…
Q: What is difference between lytic and lysogenic cycles?
A:
Q: which portions of a bacterial cell aid the ability to a bacterium to cause infections?
A: The question is about the structure of bacteria which helps in causing infections.
Q: Will it be possible to eradicate many viral diseases in the same way as smallpox? Why or why not?
A: To explain: Whether it is possible to eradicate many viral diseases in the same way as smallpox
Q: Is a prion always pathogenic
A:
Q: The host eukaryotic cell may try to travel to places in the ocean where there is a lot of decay.
A: Cyanobacteria are also referred to as the Cyanophyta. It is a phylum of prokaryotic organisms…
Q: How can a protein, which cannot replicate itself, be a transmissible pathogen?
A: A pathogen is an organic entity that causes infection. Your body is normally brimming with…
Q: What is the difference between Lytic life cycle and Lysogenic life cycle?
A: Multiplication in viruses occurs through two methods. These are the lytic and lysogenic cycles.
Q: Viruses can carry out which of the processes described below? They can use the host cell to copy…
A: Viruses are those microorganisms and they can live inside the host cells or other living things.…
Q: What happens to a cell after a retrovirus injects its viral RNA into a cell?
A: Retroviruses are enveloped viruses which comes under the family Retroviridae.
Q: How might a bacteriophage be used to treat a bacterial infection? – this question relates to…
A: INTRODUCTION Viruses are obligate parasites that live inside the host cells. The structure of…
Q: The type of viral replication in which a bacteriophage rapidly assembles more viral particles, and…
A: Given: Need to find which cycle is responsible for assembling more viral particle and kills the…
Q: The man pictured below wears several dozen ornaments in his skin, most of them applied by piercing.…
A: A piercing is the creation of an opening in a part of the body for the insertion of jewelry.
Q: When Colonization Leads to Disease?
A: Bacteria, protozoa, algae, and fungi are all examples of microorganisms. Trillions of microbes live…
Q: What accounts for the symptoms of viral diseases?
A: Viruses are very small obligate intracellular parasites possessing a genome of either DNA or RNA.…
Q: Is virus a cell?
A:
Q: A patient is admitted to the hospital with a viral infection and is immediately treated with…
A: A viral infection is the proliferation of a harmful virus within the body of the organism. Symptoms…
Q: The type of viral replication in which a bacteriophage inserts its DNA into the host genome and…
A: Bacteriophages is defined as a virus that infects the bacteria which varies a lot in shape as well…
Q: Why do bacterial viruses often inject their DNA directly into the cell?
A: The bacterial viruses are virus that infects the animal, plant, and unicellular organisms.
Q: Why must viruses be metastable?
A: Introduction A virus is a little piece of genetic information (DNA or RNA) encased in a protein…
Q: What are two important points that are required for both host and viral DNA replication?
A: Viruses lack cell machinery. Since viruses lack their cell machinery, they completely depend upon…
Q: How do bacteria exchange genetic material? How do viruses use host cell? How does the body combat…
A: 1. How do bacteria exchange genetic material? Conjugation Is A Process through which one bacteria…
Q: Are viruses is living or non living?
A: Viruses are the tiny and microscopic particles.
Q: The type of viral replication in which a bacteriophage rapidly assembles more viral particles, and…
A: Bacteriophage are typically the viruses that can infect the bacteria. Viruses are basically the…
Q: What types of cells does the Human Immunodeficiency Virus infect and does that help our immune…
A: Introduction:- HIV (human immunodeficiency virus) is a virus that affects the body's natural…
Q: A bacteriophage has inserted its DNA into a bacterial host and replicated as a part of the host’s…
A: According to the information given here the Phage is in the Lysogenic cycle as its DNA has been…
Q: There are many antibiotics that target the bacterial cell wall, but there are few antibiotics that…
A: The antibiotics are medicines that help stop infections caused by bacteria.They do this by killing…
Q: Why are viruses not considered to be alive?
A: Every species or organism have certain characteristics which classify them as living or non - living
Q: After a virus has entered its host, what factor usually determines the manner (or steps) in which…
A: The nature of the genome determines how the genome is replicated and expressed as viral proteins. If…
Q: How does antigenic variation help bacteria become more pathogenic?
A: The immune system plays a major role in protecting the body from infectious microorganisms. There…
Q: You are treating a patient with antiviral agent against the nucleocapsid, what part of the virus…
A: Virus are infectious agents that are capable of replicating only inside a live cell. The viral agent…
Which pathogen must enter a cell to replicate? Which type of pathogen is composed of prokaryotic cells?
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- What is difference between lytic and lysogenic cycles?How can a protein, which cannot replicate itself, be a transmissible pathogen?Why are prokaryotes able to replicate so much more quickly than eukaryotes? What cellular components must be copied before a cell splits in two? Why is this difference in replication rate an important part of our vulnerability to bacterial pathogens?
- When Colonization Leads to Disease?Define the following terms: a. lytic cycle b. prophage c. transduction d. lysogeny e. nuclocapsidWhy are prokaryotes able to replicate so much more quickly than eukaryotes? (Hint: What cellular components must be copied before a cell splits in two?) Why is this difference in replication rate an important part of our vulnerability to bacterial pathogens?
- Why must viruses be metastable?What would happen if a bacterium could prevent the phagosome from fusing with lysosomes?Which of the following characteristics, structures,or processes is common to both bacteria andviruses?(A) metabolism(B) ribosomes(C) genetic material composed of nucleic acid(D) cell division
- If a single bacteriophage infects one E. coli cell present on a lawn of bacteria and, upon lysis, yields 200 viable viruses, how many phages will exist in a single plaque if three more lytic cycles occur?Is virus a cell?Which of the following terms describes bacteriophage DNA that has become integrated into the host cell chromosome? A) plasmid B) impolite phage C) transposon D) prophage