Biochemistry Biology

Biochemistry Biology

9th - 12th Grade

14 Qs

quiz-placeholder

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Biochemistry Biology

Biochemistry Biology

Assessment

Quiz

Science

9th - 12th Grade

Practice Problem

Hard

NGSS
HS-ESS2-5, HS-PS1-4, HS-LS1-1

+2

Standards-aligned

Created by

Julissa Estrella

Used 117+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 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

30 sec • 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

30 sec • 1 pt

You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. How will you classify the compound?

lipid

protein

carbohydrate

nucleic acid

Answer explanation

Although lipids are made of CHO only CARBOHYDRATES have the established distribution of elements of CHO in 121 arrangement...

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fats, oils and cholesterol are all types of what?

cell membranes

hormones

lipids

fatty acids

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

RNA and DNA are which type of macromolecules? 

carbohydrate

lipid

nucleic acid

protein

Answer explanation

Must remember: Nucleic Acids are the genetic information that is hereditary...

6.

MULTIPLE CHOICE QUESTION

30 sec • 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

7.

MULTIPLE CHOICE QUESTION

30 sec • 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

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