Questions and Answers (Verified Answers)
what is the first step of cellular respiration? - ANSWER>>glycolysis
what is the second step of cellular respiration? - ANSWER>>acetyl-CoA formation
what is the third step of cellular respiration? - ANSWER>>Krebs cycle (citric acid cycle)
what is the fourth step of cellular respiration? - ANSWER>>electron transport chain
what is cellular respiration? - ANSWER>>step of metabolic reactions and processes
that breaks down glucose and produces ATP
what are the reactants of cellular respiration? - ANSWER>>C6H12O6 + 6 O2 + 30-32
ADP + 30-32 Pi
what are the products of cellular respiration? - ANSWER>>6 CO2 + 6 H2O + 30-32 ATP
where does glycolysis occurs? - ANSWER>>cytosol
true or false: glycolysis does not require oxygen - ANSWER>>true
is glycolysis a catabolic or anabolic reaction? - ANSWER>>catabolic
glycolysis is the initial pathway for ____ - ANSWER>>carbohydrates
glycolysis breaks down a glucose molecules and produces ___ - ANSWER>>2 pyruvate,
2 NADH, 2 ATP, 2 H+
, true or false: anaerobic fermentation requires oxygen - ANSWER>>false
what does anaerobic fermentation produce? - ANSWER>>lactic acid
what is lactic acid needed for? - ANSWER>>needed to repeat glycolysis if no oxygen is
present
is oxygen is present, glycolysis is followed by - ANSWER>>acetyl-CoA formation
true or false: acetyl-CoA formation does not require oxygen - ANSWER>>false
where does acetyl-CoA formation occurs? - ANSWER>>matrix
what is the post absorptive state regulatory hormone? - ANSWER>>glucagon
what is insulin secreted in response to? - ANSWER>>elevated blood glucose and amino
acid levels
what does insulin increase? - ANSWER>>cellular uptake of glucose
pyruvates from glycolysis travel from the cytosol to the ___ - ANSWER>>matrix in the
mitochondria
the pyruvate gets converted into acetyl-CoA which results in the production of -
ANSWER>>2 CO2, 2 NADH, 2 H+
true or false: oxygen is required for the krebs cycle - ANSWER>>true