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Chapter 2 Review: Chemistry of Life

Authored by Nick Grabemeyer

Biology

9th Grade

NGSS covered

Used 11+ times

Chapter 2 Review: Chemistry of Life
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When salt is dissolved in water, salt is the ?

solution

solute

solvent

mixture

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A substance with a pH of 6 is what?

an acid

base

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Enzymes catalyze reactions by ___________ Activation Energy.

Increasing
Decreasing

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Enzymes speed up reaction rates by changing:

Activation Energy
pH
Hydrogen Bonds
Kinetic Energy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

45 sec • 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

Tags

NGSS.MS-LS1-7

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Enzymes are considered to be 

Lipids
Carbohydrate
Protein
Nucleic Acid

Tags

NGSS.MS-LS1-7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which biomolecule is this a picture of?

Protein
Nucleic Acid
Lipid
Carbohydrate

Tags

NGSS.MS-LS3-1

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