茶黄金是什么东西——

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贡献者回答The main difference between a virus and a bacteria is their structure and how they reproduce. Viruses are much smaller than bacteria and are not considered living organisms. They consist of genetic material (either DNA or RNA) enclosed in a protein coat called a capsid. Some viruses also have an outer envelope made of lipids. Viruses cannot reproduce on their own and must invade a host cell in order to replicate. Once inside a host cell, the virus takes over the cell's machinery to produce more copies of itself. This often damages or destroys the host cell, leading to the symptoms of a viral infection. Bacteria, on the other hand, are single-celled organisms that are considered living organisms. They have a more complex structure, with a cell wall, cell membrane, and genetic material in the form of DNA. Bacteria can reproduce on their own through a process called binary fission, where one bacterium divides into two identical daughter cells. Bacteria are found in many different shapes and sizes, and they can be beneficial or harmful to humans. Some bacteria can cause infections and disease, while others are essential for various bodily functions. In summary, viruses are smaller, simpler, and require a host cell to reproduce, while bacteria are larger, more complex, and can reproduce on their own.

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