ATP is the…
energy currency of the cell
ATP stands for…
Adenosine triphosphate
metabolism requires
taking ADP and adding another phosphate
what are the two kinds of metabolism in humans?
cellular respiration (aerobic) and anaerobic
aerobic means…
requiring oxygen
cellular respiration has how many steps?
4
how many ATP does cellular respiration make for 1 glucose molecule?
36 ATP
where does cellular respiration occur?
cytoplasm and mitochondria
anaerobic metabolism does not require…
oxygen
anaerobic metabolism has how many steps?
1 and a twist
anaerobic metabolism only occurs where?
in the cytoplasm
how many ATP does anaerobic metabolism make for 1 glucose molecule?
2 ATP
what are the 4 steps of cellular respiration?
1) glycosis
2) prep step
3) Krebs cycle
4) electron transport chain
how many ATP molecules are made in glycosis?
2 ATP
in glycolysis, glucose is broken down to make…
2 NADH and 2 pyruvate
how many ATP molecules are made in the prep step?
0 ATP
how many ATP molecules are made in the Krebs cycle?
2 ATP
how many ATP molecules are made in the electron transport chain?
32 ATP
during the electtron transport chain, NADH and FADH2 do what?
they shuttle hydrogens, which get separated from one electron
when a muscle cell forcibly contracts, it can require as much as ____ ATP molecules per second to contract
600 trillion
not every cell uses…
aerobic metabolism
the function of NADH and FADH2 during the ATP production process is to…
shuttle hydrogens
Chemiosmosis is…
the process of moving ions to the other side of a biological membrane. an electrochemical gradient is generated and can be used to make ATP
what is the final electron acceptor of the electron transport chain?
oxygen
what other 2 macromolecules can be used for metabolism other than carbs?
fats and proteins