Dragonflies are predatory flying insects. In the summer, it is customary to see them perching on tree branches in an obelisk pose (i. e., a handstand position with the tip of their abdomen pointing upward). In 3–5 sentences, describe how dragonflies might regulate their body temperature and give reasons why they might assume this pose. (4 points)

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.