Module 2 exam portage learning microbio 171 BIOD Exam Questions And Answers

Module 2 exam portage learning microbio 171 BIOD Exam Questions And Answers True or false: metabolism is a controlled set of biochemical reactions that occur in living organisms in order to maintain life. - ANS True True or false: enzymes slow down chemical reactions to conserve energy - ANS false, they speed up (catalyze) chemical reactions The term for metal ions that assist enzymes during the catalysis reaction - ANS cofactors What is catabolism? - ANS The process of breaking down larger molecules into useful energy sources Upon cellular injury, which metabolic process is involved during the growth and repair phases of the cell. - ANS anabolism An organism that obtains its energy (derives ATP) from photons of light is called a __________________ - ANS phototrophic microorganism An organism that derives its energy by removing electrons from elemental sulfur would be classified as a ____________ - ANS Lithotroph Describe the energy transfer process relative to both ADP and ATP - ANS ATP has the energy (phosphate group) to donate, and ADP can accept energy in the form of a phosphate group. Thus, ATP can be dephosphorylated (ATP-----> ADP + Pi), while ADP can be dephosphorylated into ATP (ADP + Pi -----> ATP)