Translation and protein synthesis takes place at the ribosome. Where did the original instructions for this process originate?

Select one:
a. DNA in nucleus
b. tRNA in cytoplasm
c. RNA in nucleus
d. mRNA attached to ribosome

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.