BISC 261 (micro) EXAM 1 || with 100% Errorless Answers.

carl woese correct answers what scientist discovered the archael domain? 16 sRNA gene correct answers what gene sequence did Woese use to determine that archaea were evolutionary different from bacteria? false correct answers T/F: archaea are only found in extreme environments Asgard archaea correct answers what group of archaea are eukaryotes most closely related to? a hydrothermal vent system correct answers what environment was the first Asgard archaeon discovered in? electrical charges across membranes correct answers what powers life on earth? false correct answers T/F: molecular oxygen (O2) was present at the origin of life true correct answers T/F: life likely emerged only once in the history of our planet cellular respiration correct answers what biological process do alkaline hydrothermal vent fields naturally mimic? CO2 in the atmosphere correct answers what is the ultimate source of carbon for living organisms? false correct answers T/F: eukaryotic life emerged multiple times in the geological evolution of the earth bioenergetics (energy flow) correct answers which of the following was essential for life to have emerged? 3.8-4.0 Gya correct answers when did life on earth most likely begin? false correct answers T/F: eukaryotic cells are "more evolved" than prokaryotic cells alkaline hydrothermal vents correct answers where was life most likely to have originated? tranmission electron microscopy correct answers what would be the best technique to prepare and view the internal structures of fungal hyphae? bright-field correct answers the most commonly used type of microscopy is called _________ because the specimens produce dark images against a brighter background dark-field correct answers in _______ microscopy, bright images on a darker background are produced because only light that is refracted by the specimen