WorksheetsCellular Respiration P.2
Total questions: 20
Worksheet time: 11mins
How many stages are there in cellular respiration and what are they called?
3 stages: Glycolysis, Krebs cycle, Electron Transport Chain
4 stages: Glycolysis, Pyruvate oxidation, Krebs cycle, Oxidative phosphorylation (ETC)
5 stages: Glycolysis, Pyruvate oxidation, Krebs cycle, Oxidative phosphorylation, Lactic acid fermentation
2 stages: Glycolysis, Krebs cycle
What is the primary goal of cellular respiration?
To consume as much glucose as possible
To produce as much ATP as possible
To utilize oxygen efficiently
To generate carbon dioxide
Which of the following best describes the difference between energy found in carbohydrates and energy found in ATP?
Carbohydrates store energy chemically, while ATP stores energy physically
Carbohydrates store energy temporarily, while ATP stores energy permanently
Carbohydrates store a large amount of potential energy, while ATP is ready to use chemical energy
Carbohydrates store energy in large molecules, while ATP stores energy in small molecules
Which of the following is not a product of cellular respiration?
Water
CO2
Energy
Glucose
What are the two types of cellular respiration?
Aerobic and anaerobic
Anabolic and catabolic
Oxidative and reductive
Fermentation and Krebs cycle
True or false?
ethanol and lactic acid fermentation occur in the presence of oxygen.
TRUE
FALSE
Which of the following are the electron (energy) carriers involved in cellular respiration?
NADH and FADH2
ATP and ADP
Glucose and oxygen
Carbon dioxide and water
What is the first stage of cellular respiration?
Pyruvate oxidation
Krebs cycle
Glycolysis
Oxidative phosphorylation
Where does the glycolysis reaction occur?
Mitochondrial matrix
Cytoplasm
Inner mitochondrial membrane
Chloroplast
What is the main input and output of the glycolysis? (write the input first)
(a)
Where does the pyruvate oxidation reaction occur?
Cytoplasm
Mitochondrial matrix
Inner mitochondrial membrane
Chloroplast
in the presence of oxygen, what are the inputs and outputs of the pyruvate oxidation stage in cellular respiration?
(select 2)
Input: glucose
Input: Pyruvate
Output: Acetyl-CoA
Output: Acetaldehyde
Where does the citric acid cycle (Krebs cycle) occur?
Cytoplasm
Mitochondrial matrix
Inner mitochondrial membrane
Chloroplast
What are the inputs and outputs of the citric acid/krebs cycle in cellular respiration? (select 2)
Input:
Acetyl-CoA
Input:
CO2, ATP
Output: Acetyl-CoA
Output:
CO2, ATP
Where does oxidative phosphorylation occur?
ETC: Cytoplasm
ETC: Mitochondrial matrix
ETC: Inner mitochondrial membrane
What are the inputs and outputs of the oxidative phosphorylation stage in cellular respiration? (select 2)
input:
e- carriers: NAD+ and FAD+
input:
e- carriers
NADH and FADH2
output:
ATP, water
output:
ADP, Oxygen
What happens during the preparatory phase of glycolysis?
Glucose is split into two 3-carbon molecules
2 ATP molecules are produced
2 phosphates are added to glucose
Pyruvate is oxidized
What are the products of the payoff phase in glycolysis?
ATP and NADH
2 pyruvates and NADH
2 pyruvates and ATP
During pyruvate oxidation, pyruvate is first converted into what molecule?
Glucose
Acetyl-CoA
Citric acid
Oxaloacetate
What is another name for the Krebs cycle?
The glycolysis cycle
The Calvin cycle
The citric acid cycle
The electron transport chain
