What makes viruses different from the bacteria?
1 point
microscopic size
dependency on living
requirement of moist conditions
requirement of food
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Answer:
depending on living
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Answer:
Microscopic Differences
Bacteria and viruses, although too small to see without a high-powered microscope, have many differences in their structure. Bacteria are more complex. They can reproduce on their own. Bacteria have existed for about 3.5 billion years, and bacteria can survive in different environments, including extreme heat and cold, radioactive waste, and the human body.
Most bacteria are harmless, and some actually help by digesting food, destroying disease-causing microbes, fighting cancer cells, and providing essential nutrients. Less than one percent of bacteria cause diseases in people.
Viruses are much smaller. The largest of them are smaller than the smallest bacteria. Unlike bacteria, viruses can’t survive without a host. They can only reproduce by attaching themselves to cells. In most cases, they reprogram the cells to make new viruses until the cells burst and die. In other cases, they turn normal cells into malignant or cancerous cells.
Also unlike bacteria, most viruses do cause disease, and they’re quite specific about the cells they attack. For example, certain viruses attack cells in the liver, respiratory system, or blood. In some cases, viruses target bacteria.