ATP & Respiration Terminology
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Definition: Adenosine triphosphate. A nucleotide molecule which supplies energy for all chemical reactions in all cells.
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ADP
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ATP
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NAD/FAD
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For A2 Biology Students.
Pick the answer to match the definition.
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- 2.
Definition: Adenosine diphosphate. A nucleotide molecule produced by the hydrolysis of ATP.
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ATP
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Carbon
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ADP
Correct Answer
A. ADPExplanation
ADP stands for adenosine diphosphate, which is a nucleotide molecule that is formed when ATP (adenosine triphosphate) is hydrolyzed. In this process, one phosphate group is removed from ATP, resulting in the formation of ADP. ADP is an important molecule in cellular metabolism as it can be converted back to ATP through the addition of a phosphate group, releasing energy that can be used by cells for various biological processes. Therefore, ADP is a key component in the energy transfer and storage mechanisms within cells.Rate this question:
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- 3.
Definition: Enzyme required for the hydrolysis of ATP to ADP.
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ATP
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ATP Synthase
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ATPase
Correct Answer
A. ATPaseExplanation
ATPase is the correct answer because it is the enzyme responsible for catalyzing the hydrolysis of ATP to ADP. This process releases energy that can be used by cells for various biological processes. ATP Synthase, on the other hand, is an enzyme that synthesizes ATP from ADP and inorganic phosphate, while ATP is the molecule itself.Rate this question:
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- 4.
Definition: Enzyme required for the phosphorylation of ADP to ATP.
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ATP Synthase
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Lactase
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Tripase
Correct Answer
A. ATP SynthaseExplanation
ATP Synthase is the correct answer because it is an enzyme that is responsible for the phosphorylation of ADP to ATP. This process is crucial for the production of ATP, which is the main energy currency in cells. ATP Synthase is found in the mitochondria of eukaryotic cells and in the plasma membrane of prokaryotic cells. It uses the energy from a proton gradient to drive the synthesis of ATP. Therefore, ATP Synthase plays a vital role in cellular energy metabolism.Rate this question:
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- 5.
Definition: Respiration requiring Oxygen.
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Aerobic Respiration
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Anaerobic Respiration
Correct Answer
A. Aerobic RespirationExplanation
Aerobic respiration is a type of respiration that requires oxygen. It is a metabolic process that takes place in the presence of oxygen and converts glucose into energy, carbon dioxide, and water. This process is more efficient and produces a larger amount of energy compared to anaerobic respiration. In aerobic respiration, glucose is broken down through a series of chemical reactions in the mitochondria of cells to release energy in the form of ATP. This process is essential for the survival of most organisms, including humans.Rate this question:
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- 6.
Definition: Respiration without Oxygen.
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Aerobic Respiration
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Anaerobic Respiration
Correct Answer
A. Anaerobic RespirationExplanation
Anaerobic respiration refers to the process of respiration that occurs in the absence of oxygen. Unlike aerobic respiration, which requires oxygen to produce energy, anaerobic respiration utilizes alternative molecules, such as nitrate or sulfate, as electron acceptors. This process is commonly observed in certain bacteria and archaea, as well as in some human cells during strenuous exercise when oxygen supply is limited. Anaerobic respiration produces less energy compared to aerobic respiration and results in the production of byproducts such as lactic acid or ethanol.Rate this question:
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- 7.
Definition: A reaction involving the addition of water.
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Condensation
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Hydrolysis
Correct Answer
A. HydrolysisExplanation
Hydrolysis is the correct answer because it refers to a reaction involving the addition of water. In hydrolysis, a compound is broken down into its constituent parts by the addition of water molecules. This reaction is commonly used to break down complex molecules into simpler ones. On the other hand, condensation refers to a reaction where two smaller molecules combine to form a larger one, without the addition of water. Therefore, hydrolysis is the more appropriate term in this context.Rate this question:
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- 8.
Definition: A reaction in which Protons and/or electrons are removed from a molecule.
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Reduction
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Oxidation
Correct Answer
A. OxidationExplanation
Oxidation is the correct answer because it involves the removal of protons and/or electrons from a molecule. This process results in an increase in the oxidation state of the molecule, indicating a loss of electrons. Oxidation reactions are commonly associated with the addition of oxygen or the removal of hydrogen from a molecule.Rate this question:
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- 9.
Definition: A reaction in which protons and/or electrons are accepted by a molecule.
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Reduction
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Oxidation
Correct Answer
A. ReductionExplanation
Reduction is the correct answer because it refers to a reaction where protons and/or electrons are accepted by a molecule. In a reduction reaction, the molecule gains electrons or protons, resulting in a decrease in its oxidation state. This process is often accompanied by a decrease in the overall positive charge of the molecule. In contrast, oxidation refers to a reaction where protons and/or electrons are lost by a molecule, resulting in an increase in its oxidation state.Rate this question:
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- 10.
Definition: The addition of phosphate to a molecule. E.g. ADP + Pi to for ATP.
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Oxidation
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NAD/FAD
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Oxidative Phosphorylation
Correct Answer
A. Oxidative PhosphorylationExplanation
Oxidative phosphorylation refers to the process in which ATP is synthesized by the transfer of electrons from NADH or FADH2 to oxygen through a series of electron carriers in the mitochondria. This process generates a proton gradient across the inner mitochondrial membrane, which is then used by ATP synthase to produce ATP. The addition of phosphate to a molecule, as mentioned in the definition, is not specifically related to oxidative phosphorylation.Rate this question:
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- 11.
Definition: Carrier molecules which accept H+ and e- during respiration.
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Oxidative Phosphorylation
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NAD/FAD
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Dehydrogenation
Correct Answer
A. NAD/FADExplanation
NAD and FAD are carrier molecules that play a crucial role in cellular respiration. During oxidative phosphorylation, these molecules accept hydrogen ions (H+) and electrons (e-) from various metabolic reactions. This process is known as dehydrogenation, where NAD and FAD act as electron carriers, transferring the electrons to the electron transport chain. Ultimately, this leads to the production of ATP, the energy currency of the cell. Therefore, NAD and FAD are essential for efficient energy production in the form of ATP during respiration.Rate this question:
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- 12.
Definition: Removal of Hydrogen.
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Dehydrogenation
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Oxidation
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Reduction
Correct Answer
A. DehydrogenationExplanation
Dehydrogenation refers to the process of removing hydrogen from a compound. It is a type of oxidation reaction where a molecule loses hydrogen atoms. This process is commonly used in industrial processes to produce unsaturated compounds. In contrast, reduction involves the addition of hydrogen to a molecule. Therefore, dehydrogenation is the most appropriate term to describe the removal of hydrogen in this context.Rate this question:
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- 13.
Definition: Release of carbon dioxide from the breakdown of a substrate.
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Dehydrogenation
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Decarboxylation
Correct Answer
A. DecarboxylationExplanation
Decarboxylation is the correct answer because it refers to the release of carbon dioxide from the breakdown of a substrate. This process involves the removal of a carboxyl group (COOH) from a molecule, resulting in the release of carbon dioxide. It commonly occurs in biological processes such as cellular respiration and the breakdown of organic acids. Dehydrogenation, on the other hand, refers to the removal of hydrogen atoms from a molecule, which is not directly related to the release of carbon dioxide.Rate this question:
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