Answer:
because people where not alive yet oontill cenoznic era
Explanation:
Covalent bonds share electrons between two atoms.
That is the corrext answer
Answer:
Translation
Explanation:
During translation, mRNA arrives at a ribosome. Within the ribosome, the mRNA temporarily binds to tRNA's via complementation. The tRNA's are responsible for gathering the relevant amino acids and creating a new protein.