Answer:
It is possible for two black holes to collide. Once they come so close that they cannot escape each other's gravity, they will merge to become one bigger black hole. Such an event would be extremely violent. ... These ripples are called gravitational waves.
The cytoskeleton helps the cell maintain its shape and internal organization.
<span>It is a compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.</span>