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Unit 6a: Enzymes

Authored by Jose Vazquez

Biology

9th - 10th Grade

Used 14+ times

Unit 6a: Enzymes
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the activation energy of a chemical reaction in the presence of an enzyme?

It rises

it lowers

it remains the same

it stops

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the rate of a chemical reaction in the presence of an enzyme?

It speeds up

it slows down

it remains the same

it reverses

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does enzyme specificity mean?

Enzymes can bind universally to any substrate.

Enzymes can each only bind to a unique type of substrate.

Enzymes can only be used once.

Enzymes can be used over and over again.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the temperature of an enzyme's environment increases too much, which of following would occur?

Substrate molecules would decrease

The enzymes would slow down

The enzyme would become denatured

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the ph of an enzyme's environment becomes too acidic, which of following would occur?

Enzymatic activity would decrease.

The enzyme molecules would slow down

The enzyme would become denatured

Substrate molecules would increase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inhibitors

promote enzyme activity.

block enzyme activity.

do no affect enzyme activity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _____ blocks a substrate from binding to an enzyme.

competitive inhibitor

non competitive inhibitor

cofactor

coenzyme

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