Macromolecules Review

Macromolecules Review

9th Grade

18 Qs

quiz-placeholder

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Macromolecules Review

Macromolecules Review

Assessment

Quiz

Science

9th Grade

Hard

NGSS
HS-LS1-6, HS-ESS2-5, HS-LS3-1

+2

Standards-aligned

Used 1+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As food travels through the digestive system, it is exposed to a variety of pH levels. The stomach has a pH of 2 due to the presence of hydrochloride acid (HCl), and the small intestine has a pH ranging from 7 to 9. HCl converts pepsinogen into pepsin, an enzyme that digests proteins in the stomach. Which of the following most likely happens to pepsin as it enters the small intestine?

It becomes inactive

It begins to replicate

Its shape changes to engulf proteins

Its activity increases to digest more proteins

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

lipids

proteins

carbohydrates

nucleic acids

Tags

NGSS.HS-LS1-6

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 acids

Tags

NGSS.HS-LS1-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fats, oils and cholesterol are all types of what?

cell membrane

hormones

lipids

fatty acids

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

RNA and DNA are which type of macromolecules?

carbohydrate

lipids

proteins

nucleic acids

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.

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

proteins

nucleic acids

lipids

Tags

NGSS.HS-LS3-1

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