
Biomolecules and Their Functions
Authored by Laura Smith
Science
8th Grade
NGSS covered
Used 2+ times

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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Biomolecules are produced by living organisms and are vital to life. Which biomolecule is matched correctly to a function that it performs?
Nucleic Acids: Act as enzymes to speed up chemical reactions
Lipids: Form the main fabric of plasma membranes
Carbohydrates: Store excess sugar for long-term energy
Proteins: Carry genetic information into the cytoplasm
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
In order to prepare for the winter months, bears will consume extreme amounts of food to preserve the fat needed for hibernation. Which of the following explains the importance of fat storage for bears?
Fat is a source of stored energy for body cells to use during hibernation.
Fat is a building block for extra vitamins and the immune system during hibernation.
Fat provides nutrients to grow thicker fur to keep warm during hibernation.
Tags
NGSS.HS-LS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Which biomolecule forms chromosomes and stores genetic information?
Proteins
Lipids
Nucleic acids
Carbohydrates
Tags
NGSS.HS-LS3-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Which of these statements describes how carbohydrates and lipids are different in function?
Carbohydrates are a structural component of cell walls, while lipids form cellular membranes.
Carbohydrates contain the genetic code of an organism, while lipids form enzymes.
Carbohydrates form functional hormones, while lipids are a component of cell walls.
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
The human body relies on six types of nutrients to function properly. Two of these nutrients are carbohydrates and fats. What do these two nutrients have in common to help our body function?
They store genetic information.
They are used to fight infections.
They are building blocks for organs.
They provide calories or energy.
Tags
NGSS.HS-LS1-7
6.
MULTIPLE SELECT QUESTION
30 sec • 3 pts
Which of the following is true about carbohydrates? Select TWO correct answers.
They are a source of quick energy.
They transport molecules inside and outside of cells.
They are starches and simple sugars.
7.
MULTIPLE SELECT QUESTION
30 sec • 3 pts
Which of the following correctly describes a function of proteins in a cell? Choose TWO correct answers.
Store genetic information
Function as enzymes
Insulates cells
helps transport of large molecules across the cell membrane
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