Trustworthy, mature, steadfast, reliable, conscientious...
responsible
responsible
answerable accountable chargeable
responsible
You could describe the person as being "to blame". That would be a substitute for "responsible". Considering another sense of the word, "trustworthy" can also mean responsible.
ANSWERABLE : (held) responsible (for), culpable, accountable, liable
accountableanswerableamenableliabletrustworthy
responsible
additional. OR any other OR any more --- OR another OR one more
Responsible and obediant and oh i forgot your mom!
answerable reliable accountable amenable
Another word for ribosome is "protein factory" as ribosomes are responsible for synthesizing proteins in cells.