What does the discovery of radiocarbon dead methane near deep-sea hydrothermal vents tell researchers?

a. methane does not contain carbon-14.

b. it is possible for complex organic molecules to form from abiotic factors.

c. plate tectonics played a key role in the origins of life.

d. early life evolved in the sea.

Which of the following is not true of the formation of a bacterial translation initiation complex? a. if-3 binding to gtp is required for the charged trna to associate with the first mrna codon. b. n-formylmethionyl-trnafmet binds in the p site. c. if-1, if-2, and if-3 dissociate upon the 50s subunit binding. d. the 30s ribosome associates with the mrna before the 50s ribosome.