When we're doing scientific research, we should definitely be avoiding any sources which aren't scientific by nature. This means we should avoid sources which haven't been peer reviewed by fellow authors of a similar field. With this, we avoid using literature of questionable quality.
(I'm not sure but i think these are the answers)
composed of one or more cells
contains genetic program
acquires and uses energy
Answer:
rRNA is located in the cytoplasm of a cell, where ribosomes are found. rRNA directs the translation of mRNA into proteins.
in our lungs
and throughout our blood stream
