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Shannon Hiatt
Physiology Study Stack Chapters 1-6
| Question | Answer |
|---|---|
| What is Homeostasis? | a condition that may vary, but which is relatively constant. |
| What is a set point? | a normal reading or a range of normal |
| What is matter? | all of the materials or substances around us |
| What are the four major elements on the periodic table? | carbon, oxygen, hydrogen, and nitrogen |
| How many protons does a carbon atom contain? | All carbon atoms—and only carbon atoms—contain six protons and have an atomic number of 6. |
| How many naturally occurring elements are on Earth? | 92 |
| What is the octet rule? | Atoms with fewer than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability. |
| A chemical bond formed by the transfer of electrons from one atom to another is called? | ionic, or electrovalent, bond |
| A chemical bond formed by the sharing of one or more pairs of electrons between the outer energy levels of two atoms is called? | Covalent bond |
| Nonpolar molecules have electrons that are shared equally among atoms and therefore have? | Non polarity |
| The breakdown of a complex substance into two or more simpler substances is? | Decomposition reactions |
| Used to describe all the chemical reactions that occur in body cells. | Metabolism |
| The term used to describe chemical reactions that join simple molecules together to form more complex biomolecules—notably, carbohydrates, lipids, proteins, and nucleic acids? | Anabolism |
| The type of chemical reaction responsible for this joining together of smaller units to form larger molecules is called? | condensation or de-hydration synthesis |
| Large organic molecules important in living organisms are often called? | biomolecules |
| Oxygen (O2) and carbon dioxide (CO2) are important inorganic substances that are closely related to? | cellular respiration |
| An acid is: | any substance that will release a hydrogen ion (H) when in solution. |
| The term pH is literally an abbreviation for a phrase meaning? | the "power of hydrogen" and is used to mean the relative H ion concentration of a solution |
| Carbohydrate compounds contain what elements? | carbon, hydrogen, and oxygen |
| What are the four major groups of organic substances in the human body? | Carbohydrates, lipids, proteins, nucleic acids and related molecules |
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Shannonhiatt01
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