ATP & Respiration Terminology

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  • 1/13 Questions

    Definition: Respiration without Oxygen.

    • Aerobic Respiration
    • Anaerobic Respiration
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For A2 Biology Students.
Pick the answer to match the definition.

ATP & Respiration Terminology - Quiz

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  • 2. 

    Definition: Respiration requiring Oxygen.

    • Aerobic Respiration

    • Anaerobic Respiration

    Correct Answer
    A. Aerobic Respiration
    Explanation
    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.

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  • 3. 

    Definition:  Adenosine triphosphate. A nucleotide molecule which supplies energy for all chemical reactions in all cells.

    • ADP

    • ATP

    • NAD/FAD

    Correct Answer
    A. ATP
    Explanation
    ATP, or adenosine triphosphate, is a nucleotide molecule that acts as the primary energy source for all chemical reactions in cells. It is formed through the addition of a phosphate group to ADP (adenosine diphosphate) through cellular respiration. When energy is needed, ATP is broken down into ADP and inorganic phosphate, releasing energy that can be used by cells. This process can be reversed by adding a phosphate group to ADP, forming ATP again. NAD and FAD are other molecules involved in energy metabolism, but ATP is the main molecule responsible for supplying energy in cells.

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  • 4. 

    Definition: A reaction in which protons and/or electrons are accepted by a molecule.

    • Reduction

    • Oxidation

    Correct Answer
    A. Reduction
    Explanation
    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.

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  • 5. 

    Definition: Adenosine diphosphate. A nucleotide molecule produced by the hydrolysis of ATP.

    • ATP

    • Carbon

    • ADP

    Correct Answer
    A. ADP
    Explanation
    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.

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  • 6. 

    Definition: A reaction involving the addition of water.

    • Condensation

    • Hydrolysis

    Correct Answer
    A. Hydrolysis
    Explanation
    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.

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  • 7. 

    Definition: Release of carbon dioxide from the breakdown of a substrate.

    • Dehydrogenation

    • Decarboxylation

    Correct Answer
    A. Decarboxylation
    Explanation
    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.

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  • 8. 

    Definition: Removal of Hydrogen.

    • Dehydrogenation

    • Oxidation

    • Reduction

    Correct Answer
    A. Dehydrogenation
    Explanation
    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.

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  • 9. 

    Definition: Enzyme required for the phosphorylation of ADP to ATP.

    • ATP Synthase

    • Lactase

    • Tripase

    Correct Answer
    A. ATP Synthase
    Explanation
    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.

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  • 10. 

    Definition: The addition of phosphate to a molecule. E.g. ADP + Pi to for ATP.

    • Oxidation

    • NAD/FAD

    • Oxidative Phosphorylation

    Correct Answer
    A. Oxidative Phosphorylation
    Explanation
    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.

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  • 11. 

    Definition: Carrier molecules which accept H+ and e- during respiration.

    • Oxidative Phosphorylation

    • NAD/FAD

    • Dehydrogenation

    Correct Answer
    A. NAD/FAD
    Explanation
    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.

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  • 12. 

    Definition: A reaction in which Protons and/or electrons are removed from a molecule.

    • Reduction

    • Oxidation

    Correct Answer
    A. Oxidation
    Explanation
    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.

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  • 13. 

    Definition: Enzyme required for the hydrolysis of ATP to ADP.

    • ATP

    • ATP Synthase

    • ATPase

    Correct Answer
    A. ATPase
    Explanation
    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.

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  • Mar 05, 2024
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    ProProfs Editorial Team
  • Sep 05, 2012
    Quiz Created by
    JoshButterworth
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