Biology Sol Review Biochemistry

Biology Sol Review Biochemistry

9th Grade

25 Qs

quiz-placeholder

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Biology Sol Review Biochemistry

Biology Sol Review Biochemistry

Assessment

Quiz

Science

9th Grade

Practice Problem

Hard

NGSS
HS-LS1-1, HS-LS1-6, HS-PS1-4

+4

Standards-aligned

Created by

Lisa Thompson

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In living cells, enzymes act as catalysts, which may reduce the amount of activation energy required for a chemical reaction to occur. In the graphs below, pathway x is a solid line representing the uncatalyzed reaction. The dotted line shows the catalyzed reaction. Which graph best illustrates the changes in a reaction when the catalyst reduces the amount of energy required?

A

B

C

D

Answer explanation

Both lines begin at the same level but the catalyzed reaction shows a decrease in the activation energy...

Tags

NGSS.HS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows the general structure of an amino acid. Which type of molecule is formed from amino acids?

lipids

proteins

carbohydrates

nucleic acids

Answer explanation

Amino Acids are the MONOMERS for building Proteins...

Tags

NGSS.HS-LS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

The reaction rate will increase.

The equilibrium of the reaction will be maintained. 

The reaction rate will decrease.

The reaction will stop.

Answer explanation

Enzymes speed up reactions by decreasing the activation energy...

Tags

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?

carbohydrates

lipids

nucleic acids

proteins

5.

DROPDOWN QUESTION

1 min • 1 pt

A steroid is an example of a ​ (a)  

Iipid

protein

carbohydrate

nucleic acid

6.

DRAG AND DROP QUESTION

1 min • 1 pt

A steroid is an example of ​a (a)  

lipid

protein

nucleic acid

carbohydrate

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?

Enzymes function best at a specific temperature.

The body needs to be warm to prevent hypothermia.

The body is kept relatively warm to prevent too much enzyme action.

There is no connection between the two statements.

Answer explanation

Extreme pH and temperature changes denature proteins damaging the active site of enzymes...

Tags

NGSS.HS-LS1-3

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