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BioFlix Study Sheet for Cellular Respiration
1. Fill out the equation for cellular respiration
Glucose +
O2
>>>
C6H12O6
CO2
+
H2O
+
ATP
Fuel
Gas we inhale
Gas we exhale
Molecules made Molecules
when oxygen
used for
attracts electrons cellular work
and hydrogen ions
2. Complete the chart for the stages of cellular respiration
Stage of Cellular Location in
Respiration
Cell
Starting Molecule(s)
Molecules Produced
Summary of Stage
Glycolysis
Cytosol
Glucose (C6H12O6)
2 ATP
2 ATP (net) 2 Pyruvate 2 NADH
Breaks Glucose in half and extracts a little energy from Glucose
Acetyl CoA Formation (linking step)
Cytosol into Mitochondria
Krebs Citric Acid Cycle
Mitochondria
Oxidative phosphorylation:
(Electron Transport Chain
and chemiosmosis)
Mitochondria
Pyruvate
Acetyl CoA
NADH FADH2
O2
Acetyl CoA NADH CO2
Changes Pyruvate to Acetyl CoA to get the starting molecule for the
Krebs cycle
Electron Carriers (6 NADH and 1 FADH2), 2 CO2 and
1 ATP
34 ATP H2O
Spins 2x for each glucose. Oxaloacetate grabs Acetyl and spins the cycle. The main fu1nction of this step is to create the NADH and FADH2 that will be used
in the next stage O2 waits at the end of the ETC and helps to create
the hydrogen gradient that will spin ATP
synthase. This stage is where most of the ATP
is produced
3. Overall, what does cellular respiration do? ? Makes 36 to 38 ATP. It creates cellular energy so that the cells can do work.
4. On the back of this paper (or on a separate sheet of paper), draw a road map of cellular respiration.
Numbers are for 1 glucose going through cellular respiration.
2 NADH
GLYCOLYSIS Glucose >>>>> 2 Pyruvate
CO2
.
2 (NET) ATP
6 NADH 2 FADH2
KREBS CYCLE
2 ATP
2 CO2
Oxidative phosphorylation:
O2
(Electron Transport
Chain and
chemiosmosis)
ATP SYNTHASE Spins
34 ATP
................
................
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