Answer:
Viriods are the sub-virals which is the smallest agent of infectious disease. While Virus infects the plants and animals, viriod affects the plants only. Common Cold Virus, Influenza virus etc are some of the example of virus. Potato Spindle tuber Viroid is an example of Viroid. The Genome of virus is DNA and RNA but Viroid is consist of RNA only.
Explanation:
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Energy coupling is the transfer of energy from the energy forming step to the biomolecule forming step. The energy forming step is called catabolism wherein the complex molecules are broken down and releasing energy. The energy produced is then used the process called anabolism which produces biomolecules such as proteins.
How your teeth are shaped and formed
