Explanation:
Viral protein 1 (VP1) is a surface-exposed pentameric protein that makes up the viral icosahedral capsid through the interconnectivity of 72 VP1 pentamers and is the viral attachment protein for all known polyomaviruses,.
Answer:
hunger thirst is an example of internal stimulus
Explanation:
so i would say getting up to get food or water is one
Might just be D must of them don't seem right to me
Hydrogen can be obtained economically as a bi-product in the electrolysis of water.
Answer:
A.Both store materials needed by the organism
hope it helps..
