Viruses are said to be “obligate intracellular parasites.” What does this mean with respect to how new viruses are made?

Q: How fast can a virus evolve?

A: Viral evolution is a subfield of evolutionary biology and virology that is specifically concerned…

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: What are specific structures present in viruses but not cells?

A: Virus is an non - cellular structure which reproduce inside the host cell whereas virus is dead…

Q: Viruses that infect bacterial cells do not infect human cells, and viruses that infect human cells…

A: Virus is a non-living pathogenic agent which depends on its host for survival. It is  composed of…

Q: Why are viruses considered non living?

A:

Q: these do all viruses have?

A: Virus :  it is a submicroscopic infectious agent that replicates only inside the living cells of an…

Q: What aspect of an RNA virus makes it more likely than a DNA virus to become an emerging virus?

A: Answer- The viruses can have either DNA or RNA as a genetic material.

Q: /hat is true about the difference between prions and viruses?

A: Introduction:-  Virus is a microorganism that is smaller than a bacterium that  cannot grow or…

Q: There are three hypotheses about the origin of viruses. Briefly describe each hypothesis.

A: Viruses are organisms that have infectious properties. They cannot be replicated on their own, hence…

Q: Are viruses cellular beings?

A: Cellular organisms consist of cellular structures for example plants and animal whereas non-cellular…

Q: Viruses that mutate rapidly are most likely to have which of the following characteristics? OA DNA…

A: Different strains of flu viruses originate every year. The mutation is the most important cause for…

Q: tumor viruses

A: Tumor viruses are the viruses which are capable of causing a wide variety of human diseases. The…

Q: Are viruses classified as living organisms?

A: If in an organism, following processes can be noticed, then that organism can be categorized as…

Q: Why must ( 2 ) strand but not ( 1 ) strand RNA viruses bring their own replicase into a cell?

A: A virus refers to an infectious particle that lacks the replication machinery but can replicate…

Q: Why do most viruses that infect bacteria have tails, whereas most viruses that infect animals and…

A: Virus are tiny disease causing particles that are even smaller than the bacteria . They possess dual…

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: How are plant viruses transmitted?

A: In plant physiology, plant viruses are defined as the various types of viruses that affect the…

Q: How are viroids different from viruses?

A: The viruses and viroid are the small particles that are parasitic infectious agents. These can…

Q: RNA viruses mutate and evolve faster than other viruses. Why?

A: Viruses are infectious parasite that needs host machinery to replicate. Viruses can be either RNA or…

Q: how are modern viruses categorized and does that categorization differs from how cellular…

A: A virus is a microorganism that is smaller than a bacterium and is incapable of growing or…

Q: Do you think viruses are living organisms? Why or why not?

A: An organismic state characterized by capacity for metabolism, growth, reaction to stimuli, and…

Q: Can viruses reproduce by themselves?

A: A virus is an infectious microorganism made up of a nucleic acid segment (DNA or RNA) encased in a…

Q: How do viruses infect plant cells?

A: A virus is a small infectious agent that replicates inside living cells, causing damage or…

Q: What is Periplasm in viruses?

A: Virus is a small particle that has either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) as a…

Q: A class of RNA viruses that possess reverse transcriptase activity are called _____________.

A: Reverse transcriptase was the enzyme that was involved in catalyzing the biochemical reaction for…

Q: Compare how retroviruses solve the problem of replicating an RNA genome in a eukaryotic host with…

A: Retrovirus. infectious particles. contains an RNA genome packaged during a supermolecule capsid,…

Q: What are living characteristics of viruses?

A: Micro-organisms are such small living organisms that are less than 0.1 mm, and can be seen only…

Q: Why do we classify viruses as obligatory intracellular parasites?

A: A virus is a submicroscopic infectious agent that replicates only within an organism's live cells.…

Q: Why do the two types of viruses differ if each has plus configuration single stranded RNA as its…

A: Hi, Thanks For Your Question.  Ans : RNA Viruses Have Very High Mutation Rates Because Viral RNA…

Q: Why are viruses not classified as living?

A: Virus are small infectious agents that reproduce in living cells and cause various diseases.

Q: How can humans see viruses?

A: Viruses are acellular organisms that do have a metabolism of their own. They depend on the specific…

Q: Why are virus genomes small?

A: Viruses are intracellular, obligate parasites, which replicates only inside the living cells of an…

Q: Which type of virus must contain an RNA replicase packaged in the viral particle in order to carry…

A: A virus is a small collection of genetic code, it can be  DNA or RNA, surrounded by a protein coat…

Q: Are viruses is living or non living?

A: Viruses are the tiny and microscopic particles.

Q: Because viruses lack some of the traits seen in all living things, many scientists do not believe…

A: Viruses are infectious agents and the name is derived from a Latin word, which means poison or a…

Q: What makes viruses different from the other microorganisms

A: Microorganisms are the organism which cannot be visible as such through eyes but require microscope…

Q: Are viruses considered alive? Can we really killed them?

A: Viruses are non cellular particles which are considered to be on the border of between living and…

Q: RNA viruses mutate and evolve faster than other viruses.why?

A: Answer: Introduction: A virus is a smallest, intracellular parasite. Viruses contains either DNA or…

Q: What type of genome is seen in most archaeal viruses?

A: Virus is a microbe that consists of RNA (Ribo Nucleic Acid) as their genetic material. Most of the…

Q: How are prions different from viruses? How are they similar?

A: Viruses are infectious agents. They can only replicate inside the living cells. Viruses can infect…

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: What is the difference between viruses and viroids?

A: Infection is defined as the state of invasion on the body tissues of an organism, which is caused by…