If you take a dried calabash gourd or coconut shell and fill it with seeds or dreaid beans what instruemtn have you created

Its called a Maraca. Also called rumba shaker, is a rattle which appears in many genres of Latin American music. Its shaken by a handle and usually played as [art of a pair. Rattles are made from gourds which are the grips for shaking wile the round calabash are fitted to a handle.

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.