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Cellular Respiration Review Sheet
Try to complete as much as possible WITHOUT looking at your notes. Then use your notes to fill in any gaps!
Part A; Overview of Cellular Respiration
Write the equation for cellular respiration.
C6H12O6 + 6O2 -------------------> 6CO2 + 6H2O + ATP
Label the following picture. Use the following terms: ETC (electron transport chain), pyruvate, mitochondrial matrix, CO2, NADH, Krebs Cycle, Glycolysis, Cytoplasm, ATP, Glucose, inner membrane and FADH2.
|A ATP |E Electron Transport Chain |I FADH2 |
|B CO2 |F Glucose |J Inner Membrane |
|C Glycolysis |G Pyruvate |K Matrix |
|D Kreb Cycle |H NADH |L Cytoplasm |
Part B: Match the following to review Glycolysis
|A |NADH |1 __E___ |Fuel molecule broken down in glycolysis |
|B |Pyruvate |2__C___ |Molecule invested to energize glucose at the start of the process |
|C |ATP |3__B___ |Glucose converted into two of these molecules |
|D |NAD+ |4__F___ |‘splitting of sugar’ |
|E |Glucose |5__A___ |Carries H and e- from oxidation of glucose |
|F |Glycolysis |6__G___ |Assembled to make ATP |
|G |ADP and P |7__H___ |Not involved in glycolysis |
|H |Oxygen | | |
Part C: Fill in the blanks to review the grooming of Acetyl CoA and the Kreb Cycle
1. Glycolysis occurs in the cytoplasm while the Kreb cycle in the mitochondria (matrix) .
2. While the pyruvate passes into the mitochondria it is converted into acetyl CoA .
3. As glucose is broken down, bonds are broken and energy is released .
4. During these stages of cellular respiration, the Carbon in glucose is released as CO2 gas.
5. Some of the energy is released as ATP but most of it is in high energy electrons.
6. The high-energy electrons are carried by NADH and FADH2 to the inner membrane of the mitochondria.
[pic]
Part E: Next to each statement write a G for Glycolysis, KC for Kreb Cycle or ETC for Electron Transport Chain / Chemiosmosis & Oxidative Phosphorylation
|1 __ETC___ |Generates most of the ATP formed by cellular respiration. |
|2__KC___ |Reduces NAD+ and FAD, producing NADH and FADH2 |
|3__G___ |Occurs outside the mitochondrion. |
|4__G___ |Requires 2 ATP and produces 4 for a net gain of 2 ATP. |
|5__ETC___ |Here e- and H+ combine with O2 to make water. |
|6__ETC___ |Occurs along the inner mitochondrial membrane. |
|7__KC___ |Generates most of the CO2 produced by cellular respiration. |
|8__ETC___ |ATP synthase makes ATP. |
Part F: Fill in the blank to review anaerobic respiration.
1. When oxygen is scarce, human muscle cells can make ATP by lactic acid fermentation.
2. Fermentation enables cells to make ATP in the absence of Oxygen.
3. The products of alcoholic fermentation are Ethanol and CO2.
4. Like aerobic respiration, alcoholic fermentation produces CO2 gas as a waste product.
5. The ATP yield of fermentation is much less than that of aerobic respiration.
6. The buildup of lactic acid from strenuous exercise can cause muscle fatigue and soreness.
Part G: Complete the following.
1. Complete the following table to review aerobic respiration
| |In |Out |Purpose |
|Glycolysi|Glucose |Pyruvate |Begin the process of cellular respiration, |
|s | |2 ATP |release energy from glucose. |
| | |NADH | |
|Kreb |Pyruvate |CO2 |To continue releasing energy from glucose and |
|Cycle |O2 |NADH |make NADH and FADH2 for the ETC. |
| | |2 ATP | |
| | |FADH2 | |
|ETC |NADH |34 ATP |To use the movement of e- and buildup of H+ to |
| |FADH2 |H2O |fuel the production of ATP. |
| |O2 | | |
2. Label the following diagram to review the connection between cellular respiration and photosynthesis.
[pic][pic]
-----------------------
WORD BANK
Chloroplast
Mitochondria
Glucose
O2
CO2
H2O
ATP
Solar Energy
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