Enzymes and Catalysts

Enzymes and Catalysts

9th - 12th Grade

23 Qs

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Enzymes and Catalysts

Enzymes and Catalysts

Assessment

Quiz

Biology

9th - 12th Grade

Practice Problem

Easy

NGSS
HS-LS1-1, HS-LS1-7, HS-PS1-2

Standards-aligned

Created by

Charles Martinez

Used 3+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

At high temperatures enzyme activity declines because of:

Denaturation
Decreased Kinetic Motion
Increased H-Bonding
Dissociation of Ionic Compounds

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Overheating an enzyme results in the enzyme’s loss of — 

net electrical charge 
storage of a large amount of chemical energy
ability to catalyze a reaction 
storage of inherited information

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following biological molecules is correctly paired with one of the functions it primarily serves in living cells? 

enzymes-are biological catalyst that speed up chemical reactions
carbohydrates - component of cytoskeleton 
lipids - catalyze chemical reactions 
proteins - long term energy storage

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In red blood cells, the compound carbonic anhydrase increases the rate at which carbon dioxide is converted to bicarbonate ions for transport in the blood.  In red blood cells, carbonic anhydrase acts as which of the following?

an enzyme 
a hormone 
a lipid 
a sugar

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which best describes how enzymes function in the body?

Enzymes are converted into products by the reactions they catalyze.
One enzyme can catalyze many different reactions. 
An enzyme is used once and then destroyed by the cell.
Enzymes lower the activation energy of reactions.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement describes the major role of enzymes within a cell?

They cause DNA to replicate.
They catalyze chemical reactions in the cell.
They move RNA in the cytoplasm
They are molecules made of amino acids that speed up chemical reactions by lowering the activation energy.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most cellular activities are processes regulated by the action of —

carbohydrates
enzymes
lipids
polysaccharides

Tags

NGSS.HS-LS1-7

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