The evolutionary tree of HIV-1 revels that    a.) The SIV strain that infects gorillas is the same strain that infects chimpanzees.            b.) HIV is a monophyletic clade that originated from the same strain of SIV.            c.) All of the answers are correct            d.) The virus jumped from chimpanzees to humans four times.            E.) western chimpanzees are more closely related to gorillas than eastern chimpanzees.

Q: In an expository essay: How did the concepts of globalization or regionalism help in addressing the…

A: COVID 19 is a pandemic, it affected the whole world and reason in several deaths within one year.

Q: If you had nucleotide sequences from virus particles from two infected hosts, could you estimate how…

A: Introduction We can be infected by various microorganisms like bacteria, viruses, fungi. Once a…

Q: Can viruses cause human evolution?

A: Viruses contain genetic material either DNA or RNA enclosed by a protein coat. Viruses infect the…

Q: HIV   - is a virus with RNA as the genomic material   - is a retrovirus that reverse-transcribes…

A: HIV (human immunodeficiency infection) is a retrovirus that attacks the host immune system. In the…

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: In 1918, an influenza pandemic that originated with avian flu killed 50 million people. Researchers…

A: An influenza pandemic is a worldwide outbreak caused by a new influenza virus with little to no…

Q: Please answer fast What is CCR5 and what is its importance to human health?

A: Note: According to the bartleby guidelines only first question is to be answered. So please upload…

Q: Do you see any potential problems with inserting pieces of a retroviral genome into humans? If so,…

A: Retroviral-mediated gene transfer is the main to gene therapy development. These have various…

Q: Why do scientists worry more about new strains of viruses like influenza and coronviruses as…

A: Answer: Influenza and CoV are RNA viruses which results in having higher mutation rates -- they can…

Q: What are the similarities and differences between retroviruses and retrotransposons? It has been…

A: Retroviruses are single-stranded RNA viruses and have two copies of RNA. The whole of the virus…

Q: What are the evolutionary origins of HIV-1 and HIV-2?

A: HIV (Human immunodeficiency virus) belongs to a family of retroviruses, all of which have RNA as…

Q: Which of the following is a property of life that viruses lack?     The manufacture and use of…

A: "Viruses" are tiny non-cellular creatures made up of genetic material and protein that may…

Q: Can viruses adapt by natural selection?

A: Virus is defined as a submicroscopic infectious parasite that resides inside a living cell. It has a…

Q: Why is conservation biology relevant to human coronavirus diseases? Because habitat destruction…

A: Conservation biology involves the conservation of natural fauna and flora from human advances or…

Q: Should the DNA sequence encoding human pathogens be freely available online? and Why?

A: DNA sequencing is technique which helps in identification of exact sequence of bases (A,C,G and T)…

Q: Which of the following conclusions could be drawn from the similarities and relatedness that exist…

A: Introduction:  Simian immunodeficiency virus (SIV) is a lentivirus that affects a number of nonhuman…

Q: What is an emerging virus? Give two examples. Propose an experiment to explain how an emerging virus…

A: Viruses are the sub-microscopic pathogens that behave as a pathogen only when it is inside some host…

Q: Scientists at the SEA Phages lab were asked to find a phage that might infect a strain of M.…

A: Bacteriophages or phages are the viruses that infect bacterias and destroys the host bacterial cell.…

Q: Look at the three phylogenetic trees below. Assume that each one is modeling the evolution of…

A: INTRODUCTION A phylogenetic tree is a diagram that represents evolutionary relationships among…

Q: According to their genome structure, the following viruses are correctly classified EXCEPT? a.…

A: Viruses are the obligate parasites. They are found to be of non living nature outside the host.

Q: The first virus studied that led to the term "filterable virus" was rabies?

A: Filterable virus is a virus that is very tiny so that they can pass through a fine-pored filter like…

Q: According to Philip Bell’s viral eukaryogenesis hypothesis, genes for DNA replication, RNA…

A: DNA replication, RNA transcription, protein translation, and histone proteins are the terms related…

Q: The attached image has the following Newick format: ((HIV-1 retropepsin:0.67441,(HIV-2…

A: Newick tree format is a phylogenetic tree format that can be used to analyze species relationships…

Q: What is the embosymbiotic theory and what evidence supports it?

A: To explain the endosymbiotic theory and the evidence that supports it.

Q: What role did viruses play in the evolution of life?

A: Biological evolution refers to the change in an individual's traits that were present in that person…

Q: Does the Hershey and Chase experiment rule out the possibility that RNA is the genetic material of…

A: Introduction :- A. D. Hershey and Martha Chase performed their experiment in 1952 , after the Oswald…

Q: The hereditary material for retroviruses is __________. The HIV virus, like other retroviruses…

A: The term "hereditary" means something that is passed on from parent to offspring. The hereditary…

Q: Rotavirus, a disease-causing member of the Reovirus family (with double-stranded RNA, but no DNA),…

A: Rotaviruses are members of Reoviridae family. They are nonenveloped particles. Rotaviruses causes…

Q: viruses are not living, how come they adapt to their environment, replicate and cause infection? In…

A: Viruses contain a set of genes ( either DNA or RNA) enclosed in a protein coat called capsid and…

Q: How does Red Queen Hypothesis cause an evolutionary race with coronaviruses and mammalian species

A: RED QUEEN HYPOTHESIS - The Red Queen hypothesis was coined in evolutionary biology to explain that a…

Q: Discuss how we could use the Complexity theory to help evaluate the world response to the COVID-19…

A: **COVID-19 pandemic is driven by human-to-human transmission, the SARS-CoV-2 virus is also known to…

Q: Which of the following statements accurately describes what we learned about HIV evolution?   a.…

A: Human immunodeficiency virus is a deadly virus that attacks the helper T cells of the cell mediated…

Q: Why do scientists worry more about new strains of viruses like influenza and coronviruses as…

A: Exposure to the herpes simplex virus  (HSV) causes herpes infection. It produces mouth sores and…

Q: How could sequencing many SARS-CoV-2 genomes be used to track how the virus has changed over time…

A: Mutation It refers to the alteration of the sequence of the DNA or RNA in organisms. These mutations…

Q: Describe the role that chimpanzees played in the evolution of HIV-1.

A:

Q: Each year, hundreds of millions of people get sick from diseases like Zika, Dengue Fever, and Yellow…

A: Mosquitoes are vectors, which mean they act as agents to carry bacteria, parasites, and viruses. The…

Q: Which of the following statements concerning antigenic drift in influenza viruses is correct? A-It…

A: Antigenic drift can be defined as small mutations in the genes of the influenza viruses that can…

Q: What technology revolutionized and enabled the human genome project? What are some of the ways that…

A: Human Genome Project was one of the most ambitious projects that took place in the history of…

Q: Explain the Adenovirus Vaccine Cloning and Rationalization of Rabies Virus?

A:

Q: Which of the following statement is true for Orthomyxoviruses but NOT Paramyxoviruses: Viral genome…

A: Orthomyxoviruses Contains 8 segments of single stranded negative RNA It has nucleocapsid, that…

Q: Genome-wide association studies have suggested what about the genome sequences of centenarians…

A: Genome wide association studies mostly refer to the the study of entire gemone and their associated…

Q: What evolutionary advantage would a retrovirus gain by having the ability to regulate the sites of…

A: Retrovirus is a virus, which carries ribonucleic acid (RNA) as its genetic material, along with…

Q: Some advocate stockpiling the drug Tamiflu in the event of an influenza pandemic. Others point out…

A: Tamiflu the generic name is Oseltamivir is an antiviral medicine used for the treatment and…

Q: Suppose that a time machine allows you to go back in time (and to travel to Australia), and you have…

A: The body of a living organism is always in a constant fight against external forces and pathogens…

Q: Which animal is thought to be an intermediate host between bats and humans in the evolution of…

A: Pangolins are considered as intermediate host between humans and bats in the evolution of covid -19.…

Q: Why can transfer of DNA by conjugation cross genus lines, whereas transfer of DNA by natural…

A: Transformation is the uptake of DNA from the outside environment. For a bacterial cell to be able to…