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    when chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

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    Ch. 8

    Study with Quizlet and memorize flashcards terms like When ATP releases some energy, it also releases inorganic phosphate. What happens to the inorganic phosphate in the cell?, When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?, Which of the following characteristics is most likely to be associated with an enzyme that catalyzes two different chemical reactions? and more.

    Ch. 8 - Intro to Metabolism

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    When ATP releases some energy, it also releases inorganic phosphate. What happens to the inorganic phosphate in the cell?

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    It may be used to form a phosphorylated intermediate.

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    When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

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    It is lost to the environment.

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    Textbook solutions for this set

    Texas Science Fusion: Grade 7

    1st Edition Holt McDougal 562 explanations Biology 1st Edition

    Kenneth R. Miller, Levine

    2,591 explanations

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    Terms in this set (25)

    When ATP releases some energy, it also releases inorganic phosphate. What happens to the inorganic phosphate in the cell?

    It may be used to form a phosphorylated intermediate.

    When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

    It is lost to the environment.

    Which of the following characteristics is most likely to be associated with an enzyme that catalyzes two different chemical reactions?

    Either the enzyme has two distinct active sites or the substrates involved in the two reactions have very similar structures.

    Which of the following is an example of potential rather than kinetic energy?

    a molecule of glucose

    In addition to activating or inhibiting enzymes through allosteric regulation, what other means does a cell use to control enzymatic activity?

    localization of enzymes into specific organelles or membranes

    Which of the following types of reactions would decrease the entropy within a cell?

    anabolic reactions

    ________ is a regulatory mechanism in which the end product of a metabolic pathway inhibits an enzyme that catalyzes an early step in the pathway.

    Feedback inhibition

    Statements describes the first law of thermodynamics?

    Energy cannot be created or destroyed.

    Statements about anabolic pathways is true?

    They consume energy to build up polymers from monomers.

    Statements about Enzyme function is true?

    Enzymes increase the rate of chemical reactions by lowering activation energy barriers.

    Enzyme structure best described by a clasping handshake analogy?

    When an enzyme binds substrate

    Chemical equilibrium is relatively rare in living cells because metabolic pathways are interconnected. Which of the following statements describes an example of a reaction that may be at chemical equilibrium in a cell?

    chemical reaction when neither reactants nor the products are being produced or consumed in any metabolic pathway at that time in the cell

    Zinc, an essential trace element for most organisms, is present in the active site of the enzyme carboxypeptidase. The zinc most likely functions as _____.

    a cofactor necessary for enzyme activity

    How do cells use the ATP cycle illustrated in the figure?

    Cells use to recycle ADP and phosphate.

    Activation energy

    Thermodynamic barrier that must be overcome before products are formed in a spontaneous reaction

    When a system is at chemical equilibrium it ___

    Can NOT do work.

    Which curves on the graphs may represent the temperature and pH profiles of an enzyme taken from a bacterium that lives in a mildly alkaline hot springs at temperatures of 70°C or higher?

    curves 3 and 5 3 = 40-90 degrees 5 = 6-10 pH

    The relationship between catabolism and anabolism is most similar to the relationship between which of the following pairs of terms?

    exergonic; endergonic

    Which of the following graphs most likely describes the effect of pH on the function of the enzyme catalase in human cells? Note: The x-axis is pH and the y-axis is enzyme activity.

    high rainbow curve on graph

    Catabolism (catabolic pathways)

    Cellular process of breaking down large molecules into smaller ones

    Active Site of an Enzyme

    It catalyzes the reaction associated with the enzyme.

    A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme. With respect to the enzyme that converts X to Y, substance A functions as ________.

    an allosteric inhibitor

    In a metabolic pathway, succinate dehydrogenase catalyzes the conversion of succinate to fumarate. The reaction is inhibited by malonic acid, a substance that resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the amount of succinate molecules to those of malonic acid reduces the inhibitory effect of malonic acid. Which of the following statements correctly describes the role played by molecules described in the reaction?

    Succinate is the substrate, and fumarate is the product in the reaction.

    The figure illustrates the energy states associated with the reaction A + B ↔ C + D. Which of the following represents the activation energy required for the enzyme-catalyzed reaction in the figure?

    b - tiny vertical line

    Which temperature and pH profile curves on the graphs are most likely associated with an enzyme isolated from a human stomach where conditions are strongly acid?

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    When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

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    When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

    When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?

    This is a List of Available Answers Options :

    powers more cellular work

    stored as ATP

    released to environment

    used to make ADP

    The best answer is C. released to environment.

    Reported from teachers around the world. The correct answer to ❝When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?❞ question is C. released to environment.

    I Recommend you to read the next question and answer, Namely True or False: ATP serves as an energy shuttle in the cell, coupling exergonic and endergonic reactions. with very accurate answers.

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