What organelle assist trna in translating the mrna in the cyto plasm?

What is the difference between how ionic and covalent bonds form

The first amino acid of a new polypeptide chain is

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.