Enzymes

Enzymes

9th - 12th Grade

20 Qs

quiz-placeholder

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Enzymes

Enzymes

Assessment

Quiz

Biology

9th - 12th Grade

Practice Problem

Medium

NGSS
MS-LS1-7, HS-LS1-3, MS-LS3-1

Standards-aligned

Used 266+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Venus flytraps produce chemicals that break down insects into usable compounds. These chemicals are most likely:

Hormones
Lipids
Enzymes
Carbohydrates

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How do enzymes affect chemical reactions?

Increased activation energy
Decreased activation energy
Increased energy change
Decreased energy change

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is a valid conclusion based on the graph?

Temperature influences an enzyme's activity rate.
The maximum rate of human respiration occurs at about 57°C.
Growth can be controlled by enzyme action.
The maximum rate of human digestion occurs at about 45°C.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is maintenance of a constant blood pH critical for body processes?

Blood with a high pH helps prevent cancer.
Enzymes work best within a narrow pH range.
The production of vitamin C by skin cells requires low pH values.
Some bacteria thrive in very acidic conditions.

Tags

NGSS.HS-LS1-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which suggests that the shape of an enzyme determines the enzyme's function?

Enzymes are specific to a substrate
Enzymes can operate in a wide range of conditions
Enzymes are activated by neighboring molecules
Enzymes can be found in all life-forms

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Where do substrates bind on an enzyme?

voltage-gated channels
surface receptor
calcium channels
active site

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which of the following conclusions can be drawn from this graph?

The optimum pH of the enzyme is 6.6
The optimum pH of the enzyme is 5.0
Activity increases from pH 6.6 to 9.0
The enzyme denatures at pH 6.6

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