Bio Chp 2 continued
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45 questions
| 🇬🇧 | 🇬🇧 |
| Is the same number of protons in an element | Atomic number |
| The sum weight of protons and neutrons | Mass number |
| Gains an electron | Anion |
| Ionic, covalent, hydrogen, van der Waals interactions. | 4 types of bonds/interactions |
| The electrons shared by the atoms spend more time closer to one nucleus than to the other nucleus. | Polar covalent bonds |
| Cells rearranging molecules by breaking chemical bonds to form new ones | Chemical reactions |
| Dissolving agent | Solvent |
| Dissolved substance | Solute |
| Are macromolecules | Carbohydrates |
| Are SIMPLE sugars | Monosaccharides |
| Form when two monosaccharides undergo a dehydration reaction. When two sugar units join together. | Disaccharides |
| Are hydrophobic (“water-fearing”), or insoluble in water, because they are nonpolar molecules. | Lipids (fat) |
| Tests for lipids | Sudan IV Test |
| Used to identify the presence of reducing sugars | Benedict's test |
| Tests for presence of starches | Lugol's Test for polysaccharides |
| Tests for peptide bonds | Biuret Test |