Viruses are not considered living organisms. Why? A. They can reproduce on their own. B. They have a cell nucleus. C. They need a host cell to reproduce. D. They can move by themselves. 相关知识点: 试题来源: 解析 C。病毒需要宿主细胞才能繁殖,所以不被认为是生物。
Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not liv...
Why are viruses not considered to be living organisms? Why is cyanobacteria difficult to stain? Why is pigweed so difficult to control? Why is molecular movement essential for life? Why is grouping living organisms helpful? Why must the specimen observed be very thin under a microscope?
Why are viruses not considered to be living organisms? Why is carbon so important in biology? Why are multicell organisms considered complex? Why is biological oceanography important? Why do while benzene fluoresces, pyridine does not? What determines the specific behaviors and characteristics of an...
The answer to whether viruses are alive or not is unclear. The traits of living things are that they can reproduce, they use energy, they can grow,... Learn more about this topic: Viruses Lesson for Kids: Definition & Facts from
These days, there are thousands of different viruses and malware on Internet. Like the writers of viruses and other malicious code are many and diverse, and their reasons and motives that drive people to create a virus are as wide-ranging as themselves. Generally, all people that who write ...
Virion are also known as “viral particles,” and they are the means by which viral nucleic acids are able to move and ‘infect’ living organisms. Without the viral particle (taxi) to carry around the virus DNA (passenger), it would be harmless; in fact, viruses are often described as...
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The cell is considered to be the basic unit of every living thing because it is a discrete unit that has its own genetic makeup. Below this level are...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
Its benefits are numerous and include the ability to fight a variety of different bacteria and viruses. In fact, there are more than 650 different kinds of pathogens and bacteria that can be treated with colloidal gold. For … Read more Categories Reviews Leave a comment Colloidal Silver ...