Are there any living beings with no cells
Are there any living beings with no cells?
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The Viruses are believed the only living beings which do not have cells. Viruses are comprised by genetic material (that is, RNA or DNA) enwrapped by a protein capsule. They do not contain membranes and cell organelles nor do they encompass self-metabolism.
In eukaryotic and in prokaryotic cells How different are the location of the ribosomes?
Specify the histological nature of glands? Explain how are they formed?
What is a human skeleton? Illustrate it briefly.
Does glycolysis take place in the mitochondria?
How does the formation of the enzyme-substrate complex explain the reduction of the activation energy of chemical reactions?
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Describe the main functions of insulin and glucagon for the blood glucose control?
Describe the secondary or peripheral lymphoid organs in brief?
State some factors through which the organism can understand that the process of clotting should begin?
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