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    lactase and carbonic anhydrase are examples of what type of substance?

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    Lactase and carbonic anhydrase are examples of what type of substance?

    Lactase and carbonic anhydrase are examples of what type of substance?

    SUBSTRATE REACTANT PRODUCT ENZYME

    Johnasha S. asked • 06/14/17

    Lactase and carbonic anhydrase are examples of what type of substance?

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    Naina B. answered • 06/14/17

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    Both are enzymes specific for their respective substrates.

    Enzymes are proteins that break down their respective specific substrates at right temperature and pH. For instance, lactase is specific for lactose sugar.

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    Catalysts Flashcards

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    A student designs an experiment to test substances X, Y, and Z, to determine which one is a catalyst for the reaction: A + B ® C. Only one of the unknown substances is a catalyst, and the others are nonreactive with A, B, or C.

    When 10 mL of A is added to 10 mL of B, the reaction takes twenty seconds. Bubbles form when the product C is created.

    The student prepares three test tubes, each containing both reactants A and B. She adds unknowns X, Y, and Z to test tubes 1, 2, and 3, respectively. She then times the reaction in each test tube from the point when the unknown is added until bubbling stops.

    How can the student identify the catalyst?

    Click card to see definition 👆

    The test tube that stops bubbling first contains the catalyst.

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    Which statement best describes the amount of catalyst that remains at the end of a reaction?

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    The amount of catalyst is the same at the end as at the beginning of the reaction.

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    1/10 Created by katherinenguyenn

    Terms in this set (10)

    A student designs an experiment to test substances X, Y, and Z, to determine which one is a catalyst for the reaction: A + B ® C. Only one of the unknown substances is a catalyst, and the others are nonreactive with A, B, or C.

    When 10 mL of A is added to 10 mL of B, the reaction takes twenty seconds. Bubbles form when the product C is created.

    The student prepares three test tubes, each containing both reactants A and B. She adds unknowns X, Y, and Z to test tubes 1, 2, and 3, respectively. She then times the reaction in each test tube from the point when the unknown is added until bubbling stops.

    How can the student identify the catalyst?

    The test tube that stops bubbling first contains the catalyst.

    Which statement best describes the amount of catalyst that remains at the end of a reaction?

    The amount of catalyst is the same at the end as at the beginning of the reaction.

    Lactase and carbonic anhydrase are examples of what type of substance?

    enzyme

    A researcher is designing a laboratory experiment to determine whether the inorganic substance A affects the rate of a reaction between two colored liquids, X and Y. When the reaction is complete, the liquid is clear. The reaction between X and Y is similar to one used by manufacturers to produce certain chemicals in factories.

    Which method would best answer his question about reaction rate and what will he find out about substance A?

    First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst.

    Which component is released from the active site of an enzyme during a chemical reaction?

    substrate

    If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?

    The rate would increase.

    What must happen before a chemical reaction can begin?

    The activation energy must be reached.

    Photosynthesis is an example of

    an endothermic reaction

    Which statement best describes how a catalyst can speed up a chemical reaction?

    The catalyst makes lower energy pathways available.

    Which term describes an enzyme?

    catalyst

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    Lactase and carbonic anhydrase are examples of what type…

    Lactase and carbonic anhydrase are examples of what type of substance? a. substrate b. reactant c. product d. enzyme

    10 answers

    Question:

    Lactase and carbonic anhydrase are examples of what type of substance? a. substrate b. reactant c. product d. enzyme

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    Biology Next >

    Answers

    D. enzyme Explanation:

    Lactase and carbonic anhydrase are enzymes.

    answer from syd5723 D.enzyme Explanation:

    The enzymes are the macromolecules which functions as catalysts in the chemical reactions occurring in the biological systems. The enzymes speed up the reaction. The molecules over which the enzymes act are called as the substrates and these substrates are covered by the enzymes into products.

    Lactase is an enzyme which is located in the borders of the small intestine of humans and animals. The function of lactase is to conduct the complete digestion of lactose into sugar, the sugar is the simple substance which a body can digest easily.

    Carbonic anhydrase is the enzyme that causes the inter-conversion of substrates like carbon dioxide and water into carbonic acid, bicarbonate ions and protons.

    answer from EllaLovesAnime

    answer: the correct option is d. enzyme

    lactase and carbonic anhydrase are the examples of enzymes.

    lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

    carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.

    answer from valdezavery1373

    Both lactase and carbonic anhydrase are examples of enzymes. The enzymes are generally reaction specific or substrate-specific where an enzyme inhibits or catalyzes a reaction.

    Lactase refers to an enzyme synthesized by various species. It plays an essential role in completing the digestion of whole milk, that is, it dissociates lactose, a sugar that provides milk its sweetness. Carbonate dehydratase or carbonic anhydrase refers to a kind of enzyme, which briskly catalyzes the transformation of carbon dioxide into a bicarbonate ion and a proton.

    answer from emiliogutierrez

    Lactase and carbonic anhydrase are examples of an enzyme. Enzyme by definition, is a chemical substance in plants and animals that helps in causing natural process. Lactase is an enzyme that hydrolyzes galactosides and occurs in intestines of young mammals and in yeasts.

    answer from xojade

    Lactase and Carbonic anhydrase are enzymes;These are organic catalyst (proteins) that speed up the rate of organic chemical reactions,in living organism.They acts on the organic reactions by reducing the activation energy for the reaction to occur,but  remain unchanged at  the end of the reaction.

    Explanation:

    Lactose is an enzyme in the small intestine needed for the break down of Lactose,a diasaccharides to glucose and galactose.it is acts in the brush borders for this to occur.

    Carbonic anhydrase is an enzyme in the cytoplasm needed for the the catalysis of C02 with H20 to form Carbonic acid(H2CO3),protons, and hydrogen carbonate in a reversible reactions.

    The catalysis is needed for regulation of blood pH during respiration.

    As stated up,molecules of catalyst do not change in the organic chemcial raxction they act upon.Rather they lower the activation energy for the faster completion of the rate of reaction.

    Therefore in the question above the amount of the catalayst will remain the same it was at the beginning of the reaction.This is the major properties of catalysts.

    answer from kate5582

    The answer is enzymes. Enzymes are biological catalysts and increase the speed of change from substrate to product. The name of enzymes is usually derived from the substrate they break down. For example, lactase breaks down sugar lactose. The name of enzymes contains suffix -ase, for instance, carbonic anhydrase, lactase, lipase, amylase, etc.

    answer from itscheesycheedar

    they are enzymes. i hope this helps

    answer from peperivera2652738

    xcvzcxvxzv explanation:

    answer from CONFESSIONS3736

    Are there any choices ?

    answer from pat930

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