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WorksheetsBIO150 - Cellular Respiration Tutorial (Week 5)
Total questions: 35
Worksheet time: 35mins
Identify the reactants of cellular respiration process
glucose & carbon dioxide
glucose & oxygen
water & oxygen
water & carbon dioxide
Choose the correct equation for cellular respiration.
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
Select the structures shown in the figure that make up the ADP molecule.
A and B
A, B and C
A, B, C, and D
C and D
Identify the bond within ATP molecule that releases energy when it is broken.
A
B
C
D
Locate the place where energy is stored in ATP molecules
In the Ribose Sugar
In the Adenine group
In the Phosphate bonds
In the Bank
Select the function of ATP in living things.
provides energy for cells
stores genetic information
provides structure in the nucleus
Choose the function of a kinase enzyme
Removes phosphate groups of substrates
Uses ATP to add a phosphate group to the substrate
Uses NADH to change the oxidation state of the substrate
Removes water from a double bond
Identify the cellular organelle responsible for manufacturing ATP
Ribosome
Nucleus
Mitochondria
Chloroplast
Select the amount of energy received from one ATP.
76 kcal
7.3 kcal
760 kcal
7600 kcal
Define oxidation and reduction.
Oxidation = loss of electrons
Reduction = gain of electrons
Oxidation = gain of electrons
Reduction = loss of electrons
Oxidation = gain of oxygen
Reduction = loss of oxygen
Oxidation = gain of protons
Reduction = loss of protons
Locate part of the cell where glycolysis take place.
Cytoplasm
Mitochondrion
Endoplasmic Reticulum
Ribosomes
Identify the compound that IS NOT a requirement for glycolysis.
Oxygen
ATP
NAD+
Glucose
Predict the product from the first step of glycolysis.
Glucose-6-Phosphate
Fructose-6-Phosphate
ATP
1,6 Bis-PhosphoGlycerate
Calculate the net gain of Glycolysis.
2 ATP
4 ATP
4 NADH
2 Acetyl CoA
Identify the mechanism of ATP production in the final step of glycolysis.
Substrate Level Phosphorylation
Oxidative Phosphorylation
Photo-Phosphorylation
RedOx Reactions
Identify the substrate that is oxidized in order to produce NADH molecules in glycolysis
G3P
DHAP
PEP
1,3 BPG
Select the molecule that is an isomer of Glyceraldehyde-3-Phosphate (G3P)?
DHAP
PEP
Pyruvic Acid
1,3 BPG
Identify the INCORRECT statement about glycolysis.
ADP is phosphorylated to ATP via substrate level phosphorylation
The pathway does not require oxygen
The pathway oxidizes two moles of NADH to NAD+ for each mole of glucose that enters
The pathway requires two moles of ATP to get started catabo-lizing each mole of glucose
Select the end product of glycolysis.
NADH
acetyl-CoA
lactate
pyruvate
Identify the enzyme that catalyse the oxidation of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate
Phosphofructokinase
Pyruvate kinase
triose phosphate dehydrogenase
aldolase
Select the location where pyruvate oxidation occurs.
cytosol outside the mitochondrion
the intermembrane space of the mitochondrion
in the mitochondrial matrix
the outer membrane of the mitochondrion
Identify the molecule that is removed from pyruvate as it enters the mitochondrion.
carboxyl group (CO2)
water (H2O)
acetyl group (C2H3O)
Coenzyme A
Select the product of pyruvate oxidation that continues into the citric acid cycle.
the pyruvate molecule
CO2
Coenzyme A
Acetyl CoA
Choose the statement that BEST describes the link reaction.
Pyruvate is carboxylated; acetyl co-A is formed, reducing NAD+
Pyruvate is decarboxylated; acetyl co-A is formed, oxidizing NADH
Pyruvate reacts with co-A, oxidizing NADH
Pyruvate is decarboxylated; acetyl co-A is formed, reducing NAD+
Name the product of Kreb's Cycle.
Carbon dioxide
Glucose
Pyruvate
Water
Predict the result if all of the mitochondria are removed from a plant cell.
It will be unable to carry out respiration.
It will lose water through osmosis.
It will break down the ribosomes in the cell.
It will be unable to photosynthesize
The inner membrane of this organelle is highly folded.
Predict the advantage of this folding.
It increases the amount of light absorbed by the organelle.
It increases the structural support of the organelle.
It increases the surface area, allowing greater ATP production.
It increases the surface area and the rate of glucose production.
In Krebs cycle, a 2-carbon molecule combines with a 4-carbon molecule to form a 6-carbon molecule.
Name the 2-carbon molecule.
citric acid
pyruvic acid
oxaloacetic acid
acetate/acetyl CoA
Choose the molecule that is not an end product of Kreb's cycle
FADH2
CO2
pyruvate
ATP
Calculate the number of ATP molecules produced out of Krebs Cycle.
2
3
4
0
Calculate the number of FADH2 molecules produced by 1 molecule of glucose.
1
2
3
4
Choose the reaction in TCA cycle (Krebs cycle) that does NOT produce NADH.
citrate -----------------------> isocitrate
isocitrate -----------------------> α-ketoglutarate
α-ketoglutarate ----------------------> succinyl CoA
malate ------------------------> oxaloacetate
Identify the reaction in TCA cycle (Krebs cycle) that produce FADH2.
succinyl CoA ------------------------> succinate
succinate ------------------------> fumarate
isocitrate -----------------------> α-ketoglutarate
α-ketoglutarate ----------------------> succinyl CoA
Identify the reaction in TCA cycle (Krebs cycle) that produce GTP.
malate ------------------------> oxaloacetate
succinyl CoA ------------------------> succinate
succinate ------------------------> fumarate
fumarate ------------------------> malate
Select the enzyme that does NOT catalyze redox reaction in Krebs cycle
isocitrate dehydrogenase
malate dehydrogenase
succinate dehydrogenase
citrate synthetase
