Chemistry Atoms and Molecules Quiz

Atoms are the basic building blocks of all matter.

Atoms are made up of a nucleus and outer orbits.

The nucleus is the center of the atom where protons and neutrons are located.

<p>The center of the cell where the DNA is located.</p> Signup and view all the answers

<p>Elements are pure substances made by specific types of atoms.</p> Signup and view all the answers

<p>A compound is formed by two or more elements bonding together.</p> Signup and view all the answers

<p>A molecule is created when two or more elements bond together.</p> Signup and view all the answers

<p>A monomer is a small molecule made up of few elements.</p> Signup and view all the answers

<p>A polymer or macromolecule is a large molecule made of many small molecules called monomers.</p> Signup and view all the answers

<p>Polymerization is the chemical reaction of many monomers bonding together.</p> Signup and view all the answers

<p>Amino acids are small molecules used by living organisms to make proteins.</p> Signup and view all the answers

<p>The main elements in amino acids are carbon, hydrogen, oxygen, and nitrogen.</p> Signup and view all the answers

<p>There are more than 50 types of amino acids, but only 20 are important for human health.</p> Signup and view all the answers

<p>A long chain of amino acids creates proteins.</p> Signup and view all the answers

<p>Proteins are long chains of amino acids made when monomers connect together.</p> Signup and view all the answers

<p>Proteins provide structure and support to cells, tissues, and organs.</p> Signup and view all the answers

<p>Proteins are polymers made up of long chains of monomers called amino acids.</p> Signup and view all the answers

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

<p>Proteins and amino acids are found in many types of food.</p> Signup and view all the answers

<p>Non-essential amino acids are amino acids that your body can make on its own.</p> Signup and view all the answers

<p>Essential amino acids are those that your body cannot make on its own, so must be obtained from food.</p> Signup and view all the answers

<p>Examples include glutamic acid, glutamine, alanine, and arginine.</p> Signup and view all the answers

<p>Examples include histidine, isoleucine, leucine, and lysine.</p> Signup and view all the answers

<p>A hydrophobic molecule is afraid of water and doesn't interact with it.</p> Signup and view all the answers

<p>A hydrophilic molecule likes water and interacts with it.</p> Signup and view all the answers

<p>An amphipathic molecule has both hydrophobic and hydrophilic parts.</p> Signup and view all the answers

<p>Examples include antibodies, enzymes, hemoglobin, actin, hormones, and keratin.</p> Signup and view all the answers

<p>Proteins are long chains of amino acids that provide structure and support in the body.</p> Signup and view all the answers

<p>A protein is considered a polymer because it is made up of many small amino acid molecules.</p> Signup and view all the answers

<p>The monomers in protein are the small amino acid molecules that chain together.</p> Signup and view all the answers

<p>Antibodies, enzymes, hemoglobin, actin, hormones, and keratin.</p> Signup and view all the answers

<p>We need to eat proteins because essential amino acids cannot be made by the body.</p> Signup and view all the answers