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WorksheetsRespiration - Mitochondria & Glycolysis
Total questions: 130
Worksheet time: 1hrs 19mins
(Why do I need this before a workout?)
The correct word equation for aerobic respiration is
carbon dioxide + water (+ energy) → glucose + oxygen
water + oxygen → carbon dioxide + glucose (+ energy)
glucose + oxygen → carbon dioxide + water (+ energy)
glucose + water → carbon dioxide + water (+ energy)
What are the uses of the energy produced in respiration? Tick all that apply.
To build larger molecules from smaller molecules.
To break down smaller molecules into larger molecules.
To maintain our body temperature.
To allow muscles to contract.
Which chemical symbol represents a product of aerobic respiration?
C6H1206
02
CO2
True or False? "Aerobic respiration occurs in plants and animals all of the time."
True
False
Respiration is an...
exothermic reaction
endothermic reaction
What are the folds of the inner membrane of the mitochondria called?
cristae
matrix
thylakoids
grana
What is the very interior of the mitochondria called?
stroma
mitochondrial media
mitochondrial matrix
mitoplasm
What is the correct order of processes in Aerobic Respiration?
Glycolysis, Chemiosmosis, Kreb's Cycle, Electron Transport Chain
Glycolysis, Chemiosmosis, Electron Transport Chain, Kreb's Cycle
Chemiosmosis, Electron Transport Chain, Kreb's Cycle, Glycolysis
Glycolysis, Kreb's Cycle, Electron Transport Chain, Chemiosmosis
Fermentation and Aerobic Respiration produce different amounts of ATP. What is the correct pairing of amount of ATP produced?
Fermentation = 2; Aerobic Respiration = 36
Fermentation = 4; Aerobic Respiration = 32
Fermentation = 36; Aerobic Respiration = 2
Fermentation = 2; Aerobic Respiration = 32
Prior to the Kreb's Cycle, the 2 pyruvic acids must first be converted into what?
2 NADH
2 ATP
2 RuBP
2 Acetyl CoA
The Kreb's Cycle is also called the ....
Calvin Cycle
Citric Acid Cycle
Lactic Acid Cycle
Acetyl CoA Cycle
How many times does the Kreb's Cycle "turn" per glucose?
1
2
3
6
What are final totals of molecules produced in the Kreb's Cycle?
1 ATP, 3 NADH, 1 FADH2
2 ATP, 10 NADH, 2 FADH2
2 ATP, 6 NADH, 2 FADH2
1 ATP, 5 NADH, 1 FADH2
What process(es) occur within the inner mitochondrial membrane/cristae?
Kreb's Cycle
Electron Transport Chain
Chemiosmosis
Both Electron Transport Chain AND Chemiosmosis
NADH and FADH2 release what into the mitochondrial matrix?
H+
electrons
both H+ and electrons
neither H+ and electrons
Which of the following happen during the Electron Transport Chain?
High energy electrons travel down the ETC, pumping H+'s into the intermembrane space
H+'s travel down the ETC, pumping high energy electrons into the intermembrane space
H+'s diffuse through ATP Synthase, turning it so it can make ATP
During Chemiosmosis, H+'s diffuse through what protein, making ATP?
Chlorophyll
ATP Synthase
Cytochrome c
ATPase
At the end of the ETC and Chemiosmosis, what binds to the electrons and H+'s?
H2O
ATP
O2
CO2
Which of the following represents the correct pairing of location and process?
Glycolysis - stroma
Kreb's Cycle - cytoplasm
Electron Transport Chain - inner membrane/cristae
Chemiosmosis - intermembrane space
True or False: Plants have/need BOTH chloroplasts and mitochondria?
TRUE
FALSE
Which of the following statements is/are TRUE? select all that apply!
The products Photosynthesis are the reactants for Respiration.
Photosynthesis and Respiration are not connected in any way.
Animals and plants provide each other with the gases they need.
The products of Respiration are the reactants for Photosynthesis.
Prior to Cellular Respiration, energy is stored in which molecule?
Oxygen
Glucose
Water
ATP
The folds of the inner mitochondria membrane are called:
matrix
stroma
thylakoids
cristae
This letter represents the MATRIX of the mitochondria
A
B
C
D
This letter represents the INNER MEMBRANE of the mitochondria
A
B
C
D
This letter represents the OUTER MEMBRANE of the mitochondria
A
B
C
D
This letter represents the LOCATION of the CITRIC ACID CYCLE
A
B
C
D
N/A occurs in Cytoplasm
This letter represents the LOCATION of the ELECTRON TRANSPORT CHAIN
A
B
C
D
N/A occurs in Cytoplasm
This letter represents the LOCATION of ACETYL-coA FORMATION
A
B
C
D
N/A occurs in Cytoplasm
This letter represents the LOCATION of GLYCOLYSIS
A
B
C
D
N/A occurs in Cytoplasm
Aerobic Respiration occurs in which of the following organisms? (Select all that apply)
Plants
Animals
Fungus
Bacteria
Which molecule is the source of electrons in aerobic respiration
glucose
NADH
FADH2
Water
ATP
Which molecule is the final electron acceptor in Aerobic Cellular Respiration?
Glucose
Water
NADH
FADH2
Oxygen
Which step in Aerobic Respiration produces the MOST ATP?
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
Bacteria perform all the reactions of cellular respiration in the:
mitochondria
chloroplast
cytoplasm
nucleus
Which step(s) in Aerobic Respiration releases CO2? (select all that apply)
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
Which step(s) in Aerobic Respiration break down glucose into pyruvate?
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
Which step(s) in Aerobic Respiration break down acetyl coA into CO2?
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
Which step(s) in Aerobic Respiration break down pyruvate into acetyl coA and CO2?
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
Which step(s) in Aerobic Respiration produce NADH?
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
Which step(s) in Aerobic Respiration produce FADH2?
Glycolysis
Acetyl coA Formation
Krebs (Citric Acid) Cycle
ETC
True/False: Aerobic Respiration does not require Oxygen
True
False
What enzyme produces ATP during the Electron Transport Chain?
ATP Synthase
Catalase
Phosphofructokinase
Electronase
Which is a product of glycolysis?
2 molecules of pyruvic acid
1 molecule of glucose
NAD+
oxygen
Where does glycolysis take place?
cytosol
mitochondrial matrix
cristae
thylakoid
Glycolysis requires oxygen.
True
False
What is the starting material for glycolysis?
pyruvate
acetyl CoA
glucose
G3P
What is the main function of glycolysis?
To rearrange the glucose molecule to be broken down
To split the glucose molecule to release energy
To recreate acetyl CoA for the krebs cycle
To absorb and store energy in ATP molecules
What process takes place if NADH is unable to be oxidized?
Krebs Cycle
Electron Transport Chain
Chemiosmosis
Fermentation
There are 10 steps in glycolysis, how many enzymes catalyze these steps?
8
9
10
11
What are the products of glycolysis?
2 ATP, 2 NADPH, 2 pyruvate
2 ADP, 2 NADH, 2 pyruvate
2 ATP, 2 NADH, 2 pyruvate
2 ADP, 2 NADPH, 2 pyruvate
How does glycolysis lead to ATP synthesis?
Glucose provides the phosphate for ADP to synthesize ATP
Glycolysis splits the glucose molecule to create G3P
High energy electrons are stored in NADH for the ETC
Acetyl CoA is synthesized for the Krebs cycle
Justify that glycolysis evolved before oxygen was present in the atmosphere.
Glycolysis does not require oxygen which represents that it evolved prior to free oxygen in the atmosphere.
Glycolysis does not take place in the mitochondria and thus does not require oxygen.
Glycolysis splits a glucose molecule into 2 pyruvate molecules which does not require oxygen.
Glycolysis takes place in all living organisms which means it evolved prior to free oxygen in the atmosphere.
Justify that glycolysis evolved prior to the mitochondria.
Glycolysis takes place in the cytosol.
Glycolysis does not require a membrane which represents that it evolved prior to membrane bound organelles.
Glycolysis has instructions in the nuclear DNA.
Glycolysis does not require mitochondrial DNA which represents that it evolved prior to membrane bound organelles.
Which is a product of glycolysis?
2 molecules of pyruvic acid
1 molecule of glucose
CO2
oxygen
How many ATP molecules are synthesized from 4 ADP molecules?
2
4
6
1
Where does the pyruvic acid produced by glycolysis go next?
the Calvin Cycle
the electron transport chain
the Krebs Cycle
back through the glycolysis process
Glycolysis is the ________ stage of cellular respiration.
Second
First
Third
Forth
Glycolysis requires oxygen
True
False
Which of these is broken down into pyruvic acid?
Glucose
G3P
3PG
After the NAD+ receives electrons, what does it change to?
ATP
NADH
ADP
During glycolysis, glucose is broken down into how many molecules of pyruvic acid?
2
3
4
1
Glycolysis has a net gain of how many ATP molecules?
2
4
6
How many ATP molecules are required to start glycolysis?
Four
Three
Two
One
Finish the phrase: “As the bonds in glucose are _______ and rearranged, energy is __________.”
broken, released
built, trapped
broken, trapped
built, released
Glycolysis has the potential to produce lots of energy very quickly.
True
False
Which is a product of glycolysis?
2 molecules of pyruvic acid
1 molecule of glucose
NAD+
oxygen
How many ATP molecules are synthesized from 4 ADP molecules?
2
4
6
1
Where does the pyruvic acid produced by glycolysis go next?
the Calvin Cycle
the electron transport chain
the Krebs Cycle
back through the glycolysis process
Glycolysis is the second stage of cellular respiration.
True
False
Glycolysis requires oxygen
True
False
Which of these is broken down into pyruvic acid?
glucose
oxygen
water
After the NAD+ receives electrons, what does it change to?
ATP
NADH
ADP
During glycolysis, glucose is broken down into how many molecules of pyruvic acid?
2
3
4
1
Glycolysis has a net gain of how many ATP molecules?
2
4
6
How many ATP molecules are required to start glycolysis?
Four
Three
Two
One
Which of these is a reactant of glycolysis?
pyruvic acid
oxygen
glucose
Glycolysis DOES NOT need ATP to occur.
True
False
Where does glycolysis take place?
cytosol
mitochondrial matrix
cristae
thylakoid
What is the starting material for glycolysis?
pyruvate
acetyl CoA
glucose
G3P
What is the main function of glycolysis?
To rearrange the glucose molecule to be broken down
To split the glucose molecule to release energy
To recreate acetyl CoA for the krebs cycle
To absorb and store energy in ATP molecules
What are the products of glycolysis?
2 ATP, 2 NADPH, 2 pyruvate
2 ADP, 2 NADH, 2 pyruvate
2 ATP, 2 NADH, 2 pyruvate
2 ADP, 2 NADPH, 2 pyruvate
Glycolysis begins with glucose. How do humans obtain glucose?
By breathing
By eating
By sleeping
By exercising
ATP stands for "Adenosine TRIphosphate." After ATP donates a phosphate group to glucose in glycolysis, it becomes...
AMP (Adenosine Monophosphate)
ATP (Adenosine Triphosphate)
ADP (Adenosine Diphosphate)
NADH (Nicotinamide Adenine Dinucleotide Hydrogen)
When glucose splits into two pyruvate molecules, how many carbons does each pyruvate have?
4
2
6
3
BONUS - You are running in a long-distance marthon race. Your body cannot keep up producing ATP in the mitochondria with oxygen. because you are NOT able to breath in enough oxygen to keep up with the rate of ATP use. Explain why your body is still are able to produce ATP.
