Biology Macromolecules Quiz
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Questions and Answers

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

lipids

All organic compounds contain the element ___________.

carbon

Cellulose is used to construct what part of a cell?

cell wall

What is the function of carbohydrates?

<p>store energy (short term)</p> Signup and view all the answers

Which is an example of a lipid?

<p>Fatty acid</p> Signup and view all the answers

What molecule is used for LONG term energy storage?

<p>lipids</p> Signup and view all the answers

A monosaccharide is a subunit of a ___________.

<p>carbohydrate</p> Signup and view all the answers

What are the 4 macromolecules?

<p>proteins, nucleic acids, carbohydrates, and lipids</p> Signup and view all the answers

Also known as simple sugars, these carbohydrates are called what?

<p>monosaccharide</p> Signup and view all the answers

Enzymes are considered to be _________.

<p>protein</p> Signup and view all the answers

DNA and RNA are examples of what?

<p>nucleic acids</p> Signup and view all the answers

Subunit is to Macromolecules like ________ is to __________?

<p>Brick is to Building</p> Signup and view all the answers

Which macromolecule is made of simple and complex sugars?

<p>carbohydrates</p> Signup and view all the answers

This is one job proteins do NOT have in the body:

<p>Insulation</p> Signup and view all the answers

Which macromolecule is shown?

<p>nucleic acid</p> Signup and view all the answers

Which macromolecule is shown?

<p>lipid</p> Signup and view all the answers

Which is the monomer (building block) for lipids?

<p>fatty acids and glycerol</p> Signup and view all the answers

What suffix (word ending) is used in the names of most carbohydrates?

<p>-ose</p> Signup and view all the answers

Another name for fats and oils is what?

<p>lipids</p> Signup and view all the answers

Carbohydrates are made up of what elements?

<p>Carbon, Hydrogen, and Oxygen</p> Signup and view all the answers

Which elements make up nucleic acids?

<p>Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus</p> Signup and view all the answers

Which macromolecule is shown?

<p>carbohydrate</p> Signup and view all the answers

What is the function of nucleic acids?

<p>stores genetic information</p> Signup and view all the answers

Why is carbon a good atomic backbone for macromolecules?

<p>it has 4 valence electrons</p> Signup and view all the answers

Which macromolecule is shown?

<p>protein</p> Signup and view all the answers

Which of the following is a lipid?

<p>Cholesterol</p> Signup and view all the answers

What is the monomer of nucleic acids?

<p>nucleotides</p> Signup and view all the answers

What is the monomer of proteins?

<p>amino acids</p> Signup and view all the answers

Most enzymes have the job of __________?

<p>speeding up the chemical reaction</p> Signup and view all the answers

Study Notes

Macromolecules Overview

  • Macromolecules consist of four main types: proteins, nucleic acids, carbohydrates, and lipids.
  • They are essential for carrying out various biological functions.

Lipids

  • Store energy, provide insulation, and form cell membranes.
  • Long-term energy storage is achieved through lipids.
  • Common examples include fats, oils, and cholesterol.
  • Building blocks are fatty acids and glycerol.

Carbohydrates

  • Function primarily to store energy in the short term.
  • Constructed from simple sugars known as monosaccharides.
  • Composed of carbon, hydrogen, and oxygen.
  • Complex and simple sugars make up carbohydrates.
  • Suffix "-ose" is typical for carbohydrate names.

Proteins

  • Functions include building tissues, transporting molecules, and speeding up chemical reactions as enzymes.
  • One role not associated with proteins is insulation.
  • Building blocks of proteins are amino acids.

Nucleic Acids

  • Primarily responsible for storing and transmitting genetic information.
  • Examples include DNA and RNA.
  • Monomers of nucleic acids are nucleotides.
  • Composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus.

Additional Concepts

  • Cellulose forms the cell wall of plants.
  • The analogy "subunit is to macromolecules like brick is to building" illustrates how macromolecules are made of smaller units.
  • Carbon is an excellent atomic backbone for macromolecules due to its four valence electrons, allowing it to form stable bonds with various elements.

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Description

Test your knowledge on macromolecules with this quiz. From lipids to carbohydrates, explore how these essential compounds function in living organisms. Perfect for biology students wanting to reinforce their understanding of biomolecules.

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