8.1a IB Bio Enzymes

8.1a IB Bio Enzymes

11th - 12th Grade

12 Qs

quiz-placeholder

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8.1a IB Bio Enzymes

8.1a IB Bio Enzymes

Assessment

Quiz

11th - 12th Grade

Medium

Created by

lesley stevens

Used 109+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sum total of all chemical reactions that occur within an organism is it's

metabolism.

enzyme-driven reaction.

glycolysis.

activation energy.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Activation energy is the ________ input of energy required to trigger a chemical reaction.

initial

final

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After the substrate binds to the enzyme's active site, the active site is altered to reach the

transition state.

allosteric site.

reaction path.

net amount of energy.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enzymes lower the activation energy of a reaction by

stressing the bonds in the substrate molecule.

increasing the net energy output of the reaction.

reacting with the allosteric site of the substrate.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram illustrates

competitive inhibition.

non-competitive inhibition.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The red circle could represent

the enzyme.

the substrate.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In non-competitive inhibition, the inhibitor fits into the enzyme's

allosteric site.

active site.

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