Which of the following supports the argument that viruses are nonliving
- Which of the following supports the argument that viruses are nonliving
- What is the function of reverse transcriptase in retroviruses?
- Which of the following processes can viruses carry out?
- Viral transmission refers to which of the following processes?
- Which of the following statements supports the argument that viruses are nonliving?
What is the function of reverse transcriptase in retroviruses?
Viruses are to blame for some of the world’s most infectious and lethal diseases, such as influenza, ebola, rabies, and smallpox. Despite their ability to destroy, these deadly pathogens are considered non-living, much like the screen on which you’re reading this post.
What gives that this is possible? How can a virus, which spreads so quickly, reproduces, and infects other living things, not be considered a living creature? The response is complicated, and it’s been a point of contention since they were first called in 1898.
There is no single undisputed concept of existence that can be used as a benchmark. The following are some of the more popular questions about distinguishing between living and non-living objects. Is it able to replicate on its own biological ‘machinery’? Does it reproduce by cellular division? Is it capable of having a metabolism?
Viruses must first hijack a host cell’s reproductive equipment and redirect it to ‘photocopy’ the virus’s genetic code and seal it within a newly shaped container known as the capsid in order to reproduce. The virus cannot reproduce without a host cell.
Which of the following processes can viruses carry out?
Viruses are defined as cellular predecessors, reduced types of cells, or entities that escaped cellular control in canonical frameworks of viral evolution. These proven paradigms have been challenged by the discovery of giant viruses. The genetic, proteomic, and structural dynamics of viruses are similar to those of cells, causing a reclassification and redefinition. We previously discovered that the origins of viruses and ancient cells were entangled in a genome-wide study of the evolution of structural domains in proteomes, with domains identified at the fold superfamily level. These data-driven studies are now extended to the analysis of fold families, confirming the co-evolution of viruses and ancient cells as well as viruses’ genetic ability to promote molecular creativity. The findings back up our theory that viruses evolved from ancient cells by genomic reduction and confirm a co-evolutionary ‘symbiogenic’ model of viral origins.
Viruses are difficult to characterize due to their varied physical characteristics, genome sizes, and lifestyles. Protein folds are used in a recent study to show that viruses are living organisms that belong on their own branch of the tree of life.
Influenza, SARS, Ebola, HIV, and the common cold are only a few examples. These are all names that we are all familiar with. They’re viruses, which are made up of a small amount of genetic material (DNA or RNA) encased in a protein coat. But what we don’t really know, and what scientists have been debating since the beginning of virology, is whether or not viruses are alive. A new study published in Science Advances today could just change that. Researchers have discovered new evidence that strongly suggests viruses are still living organisms by developing a reliable method of researching viruses’ long evolutionary history, which was previously nearly impossible to do.
Viruses have long been thought to be nonliving pieces of DNA and RNA shed from other cells, according to scientists. Indeed, based on what we know about what it means to be alive, a virus does not seem to meet the criteria. Many life processes, such as the ability to metabolize, are not performed by viruses. Viruses seem to have only one life process: replication, but even then, they lack translational machinery, such as the proteins needed to read their DNA and RNA and create new viruses. They infiltrate a cell and use its genetic resources to perform the task for them.
Which of the following statements supports the argument that viruses are nonliving?
Viruses, including bacteria, are microscopic organisms that cause disease in humans. Viruses, on the other hand, are acellular particles (that is, they aren’t made up of living cells as plants and animals are), with a central center of DNA or RNA surrounded by a protein coating.
Viruses also lack the characteristics of living organisms: they do not have an energy metabolism, do not expand, do not generate waste, and do not respond to stimuli. They can’t reproduce on their own, so they have to infiltrate living cells to reproduce.