Biochemistry Part 2

Biochemistry Part 2

9th - 10th Grade

10 Qs

quiz-placeholder

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Biochemistry Part 2

Biochemistry Part 2

Assessment

Quiz

Biology

9th - 10th Grade

Medium

NGSS
HS-LS1-6, HS-PS1-5, HS-PS1-2

Standards-aligned

Created by

Tiffany Simon

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Most enzymes are composed of .....

Lipids

Carbohydrates

Proteins

Nucleic Acids

Tags

NGSS.HS-LS1-6

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What happens to an enzyme when it denatures?

The activation energy of the reaction is doubled.

The activation energy of the reaction is lowered.

It's optimal conditions for temperature of the enzyme are doubled.

The shape of the enzyme molecule is changed.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Where do substrates bind on an enzyme?

voltage-gated channels
surface receptor
calcium channels
active site

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the purpose  of an enzyme?

give permission for the reaction
raise activation energy
speed up reactions
control how many reactions occur

5.

MULTIPLE CHOICE QUESTION

5 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 5.8
The enzyme’s activity increases as pH increases 5.0 to 9.0
The enzyme’s activity is greater around pH of 8.0 .

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Based on the graph, what is the optimal temperature for this enzyme? 

15oC
40oC
30oC
35oC

Tags

NGSS.HS-PS1-5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What happens when enzymes are heated to a high temperature?

The enzymes die.
The shapes of the enzyme are altered denature
The enzymes' amino acid sequence changes.
The enzymes remain the same

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