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Enzymes
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Questions (457)
List three examples of enzymes and tell me what role they play in the body?
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How do temperature and pH affect enzymes? Answer this question for both the positive and negative effects.
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Guest
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enzymenoun
a protein that can cause a chemical reaction. They aid in natural processes, such as digestion. CANCEL SAVE Use this
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Biological catalysts are known as
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Most enzymes are a functional type of ______________(a type of macromolecule).
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An enzyme acts as a biological ________________ that alters the rate of a reaction without being changed by the reaction.
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Composed principally of amino acids, and acting as biological catalysts, Blank______ facilitate metabolic activities of the
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Although they do not create reactions, enzymes are indispensable for life because they:
Multiple choice question. raise the
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Which best describes the function of enzymes?
Multiple choice question. Provide internal translocation of compounds Provide
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Typically, the presence of enzymes Blank______ the activation energy needed for a reaction to proceed.
Multiple choice question.
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What name is given to the compound upon which an enzyme will act?
Multiple choice question. Active site Allosteric site Substrate
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Which of the following statements about enzymes are true?
Multiple select question. Enzymes are not consumed in the reaction they
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Which statement is FALSE regarding enzymes?
Multiple choice question. Enzymes speed up reaction rates. Enzymes catalyze
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A specific molecule on which an enzyme acts is a(n)
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Typically, once an enzyme performs a "job", it is Blank______.
Multiple choice question. "broken" and useless recycled and
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A non-functional enzyme which needs a cofactor is called a(n)
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An enzyme with another molecule, such as a metal or vitamin cofactor, bound covalently to it is termed a(n) Blank______.
Multiple
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The region on an enzyme that binds substrate is the _______________site.
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An enzyme with its apoenzyme and cofactors is referred to as a(n) ______________, or a conjugated enzyme.
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Which feature of an enzyme is the "most" unique?
Multiple choice question. Allosteric site Primary structure Active site
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A(n) ______________enzyme consists of protein alone, while a(n) _______________enzyme (or holoenzyme) consists of protein and
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Which best defines an active site?
Multiple choice question. Region of an enzyme where a noncompetitive inhibitor binds Region of
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A region on an enzyme that is unique for each substrate is the ________________site.
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What term is used to describe enzymes which work outside the cell?
Multiple choice question. Exoenzymes Endoenzymes Apoenzymes
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Any enzyme that works within a cell in which it was produced is a(n) _______________
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Which of the following is NOT a cofactor?
Multiple choice question. Metal ion Oxygen Coenzyme Organic molecule
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An enzyme with another molecule, such as a metal or vitamin cofactor, bound covalently to it is termed a(n) Blank______.
Multiple
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Any enzyme that works outside a cell in which it was produced is a(n)
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What term is used to describe enzymes which work within the cell that produces them?
Multiple choice question. Endoenzymes
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Labile means that a substance such as an enzyme is:
Multiple choice question. chemically stable. easily distorted or degraded.
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Changes in environmental conditions can cause the denaturation of cellular enzymes, resulting in:
Multiple choice question. cell
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Any enzyme that works within a cell in which it was produced is a(n) ___________
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Labile means that a substance such as an enzyme is:
Multiple choice question. chemically stable. chemically unstable. easily
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ATP _______________ is an enzyme in the mitochondrial cristae that harnesses the flux of hydrogen ions across the membrane
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what are enzyme in mrna and explain what dose this enzye does
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What does the word enzyme in paragraph 4 mean?
OPTIONS the glands which produce saliva in your mouth a substance that helps a
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hekur
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What is the property of the substrate enzyme
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When an apple is cut and exposed to air, its flesh turns brown. This reaction is controlled by an enzyme called polyphenol
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Enzymes are catalysts. This means that they are able to speed up chemical reactions. Which of the following statements is also
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A biochemist is attempting to replicate a chemical reaction that commonly takes place in cells. During the chemical reaction,
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The graph below shows the relationship between pH and three different digestive enzymes.
Which conclusion can be drawn from this
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The diagram below shows an enzyme and its substrate.
How does the structure of this enzyme help with its function? A. The
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Siamese cats are characterized by light and dark regions of fur.
The darker parts occur on the cooler parts of the cat's body
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The pH can affect the activity of an enzyme-controlled reaction by (Select all that apply)
Check All That Apply affecting
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Amylase: Breaks down carbohydrates (starches) into simpler sugars such as glucose and maltose.
2. Protease: Digests proteins into
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The graph below shows the relationship between pH and three different digestive enzymes.
Pepsin is found in the stomach. Salivary
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Any factor that changes the shape of an enzyme can affect the enzyme's activity. Which of the following two factors affect an
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Suppose that enzyme X catalyzes a reaction that involves the breakdown of a substrate. The products of this reaction are amino
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Tobin performed an experiment in which he mixed varying amounts of enzyme with an excess amount of substrate. He measured the
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Which nutrient functions as an enzyme to catalyze chemical reactions in the body?
Group of answer choices Carbohydrates Minerals
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