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viruses are made up of molecules such as proteins, nucleic acids, lipids, and carbohydrates, etc. Viruses are protein and genetic material that can survive and reproduce within a host.Answer and Explanation: The answer to whether viruses are alive or not is unclear. The traits of living things...
Plants, in turn, deploy RNA silencing, R-gene mediated defence and other mechanisms to prevent phloem transport of viruses. Cell-to-cell movement of viruses from an initially infected leaf to stem and other parts of the plant could be another possibility for systemic invasion, but it is ...
Viruses are microscopic particles that are present in animals, plants, and other living organisms. They can sometimes cause diseases, such as the flu and COVID-19. Viruses are biological entities that can only thrive and multiply in a host, which is a living organism such as a human, an ...
美文阅读Many scientists do not think viruses arealive. A virus cannot grow or move byitself. And to make copies of itself it has tobe inside a living creature, called a host.Gazillions of tiny, tiny, tiny creatures(生物)live on and in your body. And not just there.They're in the ai...
The article reports that mealybugs feeding on plants, particularly grapevines, can reduce vine vitality and transmit grape viruses. University of Californi... H Cline - 《Western Farm Press》 被引量: 0发表: 2005年 How to Protect Yourself: Common-Sense Tips for Keeping Internet Viruses at Bay...
Giant viruses such as Mimiviridae and Pandoraviridae might get lost by filtration. Some virons are sensitive towards nuclease digestion at higher pH values, while some are unstable in extraction buffer, chloroform or cesium chloride (Wetz and Kucinski, 1991, Hema et al., 2010). Download: ...
The risk from viruses certainly hasn't diminished ; on the contrary, it has mushroomed and people can easily get infected with virus. 2. I like wild sunflower not because it has a(n) distinctive North American flavor but because its image is closely connected with our continent's early ...
How do viroids cause disease in plants? Do viruses affect plants or only viroids? How do animalcules infect humans? What is multipartite plant virus? How are viruses replicated? How do epidemics spread? How are pathogens spread? Is a viroid a plant virus? What is plant virology? How do ...
Yes, viruses with capsids undergo the lytic cycle. This is because all viruses have capsids, a protective protein coating around the genome of the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...