Ribosomal RNA is made in the centre of the nucleus, the nucleolus. It is a component that makes up the ribosomes along with other specific proteins.
Answer:
Cell wall: plant cells have a cellulosic cell wall, which is absent in the case of animal cells. The plasma membrane serves as the outermost boundary for an animal cell
The formation of protobionts that use DNA to direct the polymerization of amino acids have not yet been researched by scientist in order to learn about the origins of life on Earth
Answer:
because bill stacy was sick.
Explanation: