Quiz for Biology |
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Question 1
| Multiple-choice | |
Covalent Bond | |
| Select the best answer | |
The energy that is needed to get a reaction started. |
A compound that releases hydroxide (OH-) ions in a solution. |
A electron that travels around the nucleic of both atoms. |
Atoms of the same element that have different numbers of neutrons. |
| Multiple-choice | |
Base | |
| Select the best answer | |
Is the attraction between molecules of a different substance. |
A compound that releases hydroxide (OH-) ions in a solution. |
A electron that travels around the nucleic of both atoms. |
Is a pure substance that is made up of only one kind of atom. |
| Multiple-choice | |
Amino Acids | |
| Select the best answer | |
Compounds that are made up of carbon, hydrogen, and oxygen atoms. |
Compounds with an amino group (-NH2) on one end and a carboxyl group on the other end. |
Is formed when one or more electrons are moved, or transferred from one atom to another. |
Is a mixture in which the molecules of mixed substances are evenly spread out. |
| Multiple-choice | |
Nucleus | |
| Select the best answer | |
Is the smallest unit of most compounds. |
The center of an atom. |
Proteins that act as catalyst in living things. |
The energy that is needed to get a reaction started. |
| Multiple-choice | |
Atom | |
| Select the best answer | |
Is the attraction between molecules of the same substance. |
The basic unit of matter. |
Proteins that act as catalyst in living things. |
A compound that releases hydroxide (OH-) ions in a solution. |
| Multiple-choice | |
Suspension | |
| Select the best answer | |
Mixtures of water and nondissolved materials that do not settle out. |
Atoms of the same element that have different numbers of neutrons. |
Compounds that are made up of carbon, hydrogen, and oxygen atoms. |
Is the attraction between molecules of the same substance. |
| Multiple-choice | |
Solution | |
| Select the best answer | |
Is the process that changes one set of chemicals into another. |
Is a mixture in which the molecules of mixed substances are evenly spread out. |
Mixtures of water and nondissolved materials that do not settle out. |
Is formed when one or more electrons are moved, or transferred from one atom to another. |
| Multiple-choice | |
Electron | |
| Select the best answer | |
Is the attraction between molecules of the same substance. |
The basic unit of matter. |
A compound that releases hydroxide (OH-) ions in a solution. |
Is the negatively charged particle. |
| Multiple-choice | |
Acids | |
| Select the best answer | |
Proteins that act as catalyst in living things. |
The energy that is needed to get a reaction started. |
Is the smallest unit of most compounds. |
Is any compounds that release H+ ions in a solution. |
| Multiple-choice | |
Carbohydrates | |
| Select the best answer | |
A compound that releases hydroxide (OH-) ions in a solution. |
Compounds that are made up of carbon, hydrogen, and oxygen atoms. |
Macromolecules containing hydrogen, oxygen, nitrogen, carbon and phosphorus. |
Is the attraction between molecules of a different substance. |
