PORTAGE LEARNING MICROBIO 171 BIOD EXAM QUESTIONS AND 100% CORRECT ANSWERS|2025/2026|GRADED A+

PORTAGE LEARNING MICROBIO 171 BIOD
EXAM QUESTIONS AND 100% CORRECT

True or false: metabolism is a controlled set of biochemical reactions that occur in living organi
B B B B B B B B B B B B B B B



sms in order to maintain life. - ANSWER-
B B B B B B B True



True or false: enzymes slow down chemical reactions to conserve energy - ANSWER-
B B B B B B B B B B B B



false, they speed up (catalyze) chemical reactions
B B B B B B




The term for metal ions that assist enzymes during the catalysis reaction - ANSWER-
B B B B B B B B B B B B B



cofactors



What is catabolism? - ANSWER-
B B B B



The process of breaking down larger molecules into useful energy sources
B B B B B B B B B B




Upon cellular injury, which metabolic process is involved during the growth and repair phases
B B B B B B B B B B B B B B



of the cell. - ANSWER-
B B B B anabolism



An organism that obtains its energy (derives ATP) from photons of light is called a __________
B B B B B B B B B B B B B B B



________ - ANSWER- B B phototrophic microorganism B




An organism that derives its energy by removing electrons from elemental sulfur would be cla
B B B B B B B B B B B B B B



ssified as a ____________ - ANSWER-
B B B B B Lithotroph



Describe the energy transfer process relative to both ADP and ATP - ANSWER-
B B B B B B B B B B B B



ATP has the energy (phosphate group) to donate, and ADP can accept energy in the for
B B B B B B B B B B B B B B B



m of a phosphate group. Thus, ATP can be dephosphorylated (ATP-----
B B B B B B B B B B



> ADP + Pi), while ADP can be dephosphorylated into ATP (ADP + Pi -----> ATP)
B B B B B B B B B B B B B B B




This phosphorylation process occurs in the mitochondria of chemotropic eukaryotes -
B B B B B B B B B B



B ANSWER- oxidative phosphorylation B