What are the exceptions in the cell theory?
Answer and Explanation: Viruses are an exception to the cell theory because although they can replicate and adapt to the environment as cells do, they do not have the basic…
What are the exceptions of cell theory explain with examples?
EXCEPTION ARE FOLLOWING. Viruses do not possess a cellular machinery. They consist of a nucleic acid (DNA & RNA) core surrounded by a protein sheath and are considered to be an organism. (2) The bodies of certain fungi are made up of protoplasm and nuclei.
How many exceptions are there in cell theory?
Each exception violates rule number 2 of the basic cell theory that is explained above. Three exceptions are identified below. There is a debate as to whether or not viruses should be considered to be alive. The debate results from the fact that viruses cannot reproduce on their own.
What are the exceptions of cell theory class 9?
Viruses do not possess a cellular machinery. They consist of a nucleic acid (DNA & RNA) core surrounded by a protein sheath and are considered to be an organism. 2. The bodies of certain fungi are made up of protoplasm and nuclei.
What type of cell is the smallest?
What are the 3 rules of the cell theory?
These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically; and finally, that energy flow occurs within …
Is Covid 19 a disease or virus?
COVID-19 is a disease caused by a virus called SARS-CoV-2.
What are 2 differences between bacteria and viruses?
On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.