Biosphere and Early Life: Terms and Concepts, Quizzes of Social ecology

Download Biosphere and Early Life: Terms and Concepts and more Quizzes Social ecology in PDF only on Docsity! TERM 1 The term biosphere refers to the fact that life has altered conditions on earth, including DEFINITION 1 a, b, & c TERM 2 Cells DEFINITION 2 all of the above TERM 3 The basic idea driving most research on the origin of life is that compared to modern biochemistry, the early precursors of life must have been DEFINITION 3 chemically simpler TERM 4 Even in an exergonic reaction, the reactants must be __________ in energy state in order to transform into the products, which are at a _________ energy state. DEFINITION 4 raised, lower TERM 5 Every step of a biochemical pathway is controlled by a specific DEFINITION 5 all of the above TERM 6 Catalysts _________ a reaction by __________ the activation energy of a reaction. DEFINITION 6 promote, lowering TERM 7 Autocatalysts are a special type of catalyst because they regulate reactions that DEFINITION 7 make more catalyst TERM 8 If an animal population doubles in size every 10 years, how big will it become after 50 years if it starts at 100? (so, starting now at 100, in ten years its how much? In 20? etc.) DEFINITION 8 3,200 TERM 9 Conditions on the early earth surface are thought to include ________ ultra violet light and ________ carbon dioxide than today. DEFINITION 9 higher, higher TERM 10 Photosynthesis yields __________, respiration yields ___________ and DNA expression yields _____________ DEFINITION 10 sugar, energy, proteins