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Enzymes
Page 7
Questions (436)
1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed.
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asked by
hannah
507 views
The allostery of an enzyme governor is likely to take two forms.They are?
A.active and regulatory B. rigid and flexible c. active
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asked by
Sajia
500 views
What factors affect the function of an enzyme?
pH, temperature, substrate concentration, as well as enzyme concentration are
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asked by
Jordan
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I added amylase to a cornstarch suspension.
I thought that amylase breaks down starch into oligosaccharides. But then I heated up
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asked by
Lucy
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ive calculated the amount of change for an enzyme controlled reaction as 1.5625 x 10^-8 mol.min-1 and ive been asked to find the
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asked by
Amelia
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Meat tenderizers contain enzymes. How do these enzymes affect protein in meat?
The enzymes break the tendons and muscle to make
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asked by
Kristen
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If I have 2.5 amylase stock solution, 2.5 PBS Buffer, and final amylase concentration of 25 [ug/ml] , how do you calculate the
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asked by
Sarah
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Which of the following enzymes is essential for the process of transcription?
a RNA polymerase b Protein polymerase c DNA
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Question 17
Which of the following enzymes is essential for the process of transcription? a RNA polymerase b Lactase c DNA
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According to the graph, which statement below is true?
Enzyme-graph.gif a This enzyme works equally well at all temperatures. b
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What is active site
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Beta-lactamases are enzymes that (choose all that apply):
A. make penicillin B. are made by some bacteria C. are made by humans
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asked by
mary
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An enzyme is a special kind of catalyst. How does it work?
Netflix's Power Ranger Series Just Got A Lot More Exciting By Landing
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asked by
Mr Sue
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A group of students conducts research on enzyme activity and collects the data shown in the graphs.
Which statement is supported
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asked by
Mr Sue
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Pineapple contains a protein-digesting enzyme called bromelain. When added to gelatin, it results in the enzyme eating the
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asked by
Unknown
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Enzymes are _________ that will ________ rate of a chemical reaction.
carbohydrates, increase carbohydrates, decrease proteins,
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Unknown
19 views
An enzyme is a special kind of catalyst. How does it work?
a It speeds specific chemical reactions. b It breaks down and takes
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From the information given, what can be inferred about cells that have salivary amylase?
(1 point) O They function best at a low
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Which of the following best describes an enzyme? (1 point)
COURSE TOOLS • It can bind to any substrate. • It slows the rate
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is all proteins are enzymes
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mahmoud
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How is "lock and key" used to describe the action of enzymes?(1 point)
Responses Enzymes are able to create gaps in cell walls
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How is "lock and key" used to describe the action of enzymes?(1 point) Responses Enzymes are able to create gaps in cell walls
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Help! JK I need the answer now (ง •_•)ง
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The amylase enzyme found in your _________________________ breaks _________________________ down into _________________________.
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Question 28
In the Enzyme-Substrate Complex model below, what is represented by A? a active site b substrate c product d enzyme
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In the Enzyme-Substrate Complex model below, what is represented by E?
a substrate b enzyme c active site d product
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Question 8
According to the graph, which statement below is true? Enzyme-graph.gif a This enzyme works equally well at all
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28 views
(4.) Pineapple contains a protein-digesting enzyme called bromelain. When added to gelatin, it results in the enzyme eating the
1 answer
asked by
Denise
33 views
the following diagram shows the "lock & key" model for enzymes and their substrates. Explain how this works, and why it is an
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24 views
What is true about a multiphase feedback inhibition? Select all that apply.
The reaction can only be inhibited during the first
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21 views
One enzyme present in the following
Bile Gastric
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What enzyme breaks down starch in your saliva?(1 point)
Responses amylase amylase trypsin trypsin lipase lipase pepsin
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Which of the following is the most likely feedback inhibitor of enzymes in the citric acid cycle?
A. ATP B. oxygen C. pyruvate D.
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Helicase binds at the origin of replication and...
builds hydrogen bonds. builds covalent bonds. breaks hydrogen bonds. breaks
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An enzyme known as amylase is found in the saliva of humans. This enzyme helps to begin the process of digesting starch
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Active Enzyme + (1)______ → (2)______ + (3)______
Responses A (1) Product (2) Substrate (3) Active Enzyme(1) Product (2)
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A solution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. The
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Pepsin is an enzyme produced in the stomach. Pepsin has an optimum pH that is very acidic, between a pH of 1.0 and 2.0. In an
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In the lock-and-key model of enzyme action, the ___________ fits into the __________ of the enzyme.
Responses A product;
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With regard to enzymes, what can be said to be the relationship between the substrate and the active site?
Responses A One
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Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars.
Which of these best explains why salivary
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All of the following are true facts about enzymes EXCEPT
Responses A all living cells have enzymes.all living cells have enzymes.
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Which statement is supported by the evidence in the graphs? The enzyme is very active at approximately 42C and within a pH range
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Kaite Marie
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Enzymes, such as the one shown in the picture, work by fitting onto the substrate molecule like a lock-and-key action. Which
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The induced fit model of enzyme action fine tunes the original concept of the lock and key model and modifies it. This induced
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Why are enzymes important?
They help the cell maintain its shape. They speed up chemical reactions. They contain the genetic
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The Clearwater Chemical Company is developing a product that uses enzymes to safely break down the foamy pollution from certain
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Reactants bind to enzymes at the ______________.
A substrate B product C activation energy D active site
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What is amllase
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asked by
..l
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The Clearwater Chemical Company is developing a product that uses enzymes to safely break down the foamy pollution from certain
1 answer
asked by
pp
52 views
What is amylase? (1 point)
an enzyme that breaks down food • another name for the large intestine © a nutrient absorbed in the
5 answers
asked by
I <3 Jack Sparrow <33
29 views
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