Chapter 6- The Chemistry of Life
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Created by:
gabri_miqueli on November 28, 2010
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26 terms
Terms | Definitions |
|---|---|
 13 | A very strong base might have a pH of: |
| polymer | Large molecule formed when many smaller molecules bond together. |
| acid | Any substance tht forms hydrogen ions in water i a(n): |
| nitrogen | Unlike carbohydrates and lipids, proteins contain: |
| isotopes | Carbon-12, carbon-13, and carbon-14 are: |
| metabolism | All of the chemical reactions that occur within an organism. |
| covalent bonds | Two atoms that share electrons are held together by: |
| peptide bond | Bond formed between amino acids. |
| compounds | Atoms of two or more elements chemically combined are: |
| diffusion | Net movement of particles from an area of higher concentration to an area of lower concentration |
| nucleotides | The smaller subunits that make up nucleic acids are: |
| 45 | The total number of atoms in a molecule of sucrose, C(12)H(22)O(11), is: |
| arrangement of atoms | Glucose and fructose, both with the formula C(6)H(12)O(6), differ in: |
| proteins | The various enzymes in our bodies are: |
| nucleus | Center of an atom. |
| polarity | Water dissolves many ionic and molecular compounds because of its: |
| dnamic equilibrium | When there is no difference in the concentration of a substance from one area to another _______ has been reached. |
| 7 electrons | An atom of fluorine has 9 electrons. Its second energy level has: |
| solution | Mixture in which one or more substances are sidtributed evenly in another substance |
| covalent bond | A(n) ___ is formed when two atoms share electrons, such as with hydrogen and oxygen in water. |
| isotopes | Atoms of the same element with different numbers of neutrons are: |
| gains an electron | A chlorine atom becomes a chloride ion when it: |
| condensation | When molecules of glucose and fructose combine to form sucrose, they do so by: |
| polar molecule | Molecule with unequal distribution of charge. |
| enzyme | Protein that changes the rate of a chemical reaction. |
| diffusion | Some substances move into cells by __. |
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