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Biology- Unit 1
biomacromolecules and water study guide
| Question | Answer |
|---|---|
| What is the monomer of a lipid called? | Glycerol and Fatty acids |
| What is the polymer of lipid called? | Phospholipids and Triglycerides |
| What is unique about the structure of a lipid compared to the three other biomacromolecules? (what does this structure have that the others don't? How can we tell it apart?) | Fatty acid tails |
| What is the main role of lipids in the body? | Long term source of energy for the cell |
| What is the monomer of a carbohydrate called? | Monosaccharide |
| What is the polymer of a carbohydrate called? | Polysaccharide |
| What is unique about the structure of a carbohydrate compared to the three other biomacromolecules? (What does this structure have that the others don't? How can we tell it apart? ) | Made of carbon ring structures |
| What is the main role of carbohydrates in the body? | Quick source of energy |
| What is a monomer of a protein called? | Amino Acid |
| What is the polymer of a protein called? | Polypeptide chain |
| What is unique about the structure of a protein compared to the three other biomacromolecules? ( What does this structure have that the others don't? How can we tell it apart? ) | Amino acid monomers |
| What is the main role of proteins in the body? | Supply material for growth, maintenance, and repair in the body |
| What is the monomer of a nucleic acid called? | Nucleotide |
| What is the polymer of a nucleic acid called? | DNA or RNA strand |
| What is unique about the structure of a nucleic acid compared to the three other biomacromolecules? ( What does this structure have that the others don't? How can we tell it apart? ) | They are made up of many nucleotides bound together |
| What is the main role of nucleic acids in the body? | Carry genetic information |
| Explain why water density is essential for maintaining life on Earth. | Keeps water from freezing solid and allows life to continue to thrive under the icy surface |
| Explain why cohesion/adhesion is essential for maintaining life on Earth. | Water sticks to itself/other molecules to help plant life and allows many functions in the body to occur |
| Explain why specific heat is essential for maintaining life on Earth. | Water absorbs and releases heat slowly which allows for moderation of Earth's climate and helps organisms regulate their body |
| What happens to a cell in a hypotonic solution? | The solute concentration is higher inside the cell so water particles rush into the cell. The cell swells and bursts. |
| What happens to a cell in a hypertonic solution? | The solute concentration outside the cell is higher so water particles rush out of the cell. The cell shrivels up and dies. |
| What happens to a cell in an isotonic solution? | The concentration of water particles in and around the cell is at equilibrium. Particles can come and go freely. This is a normal cell function. |
| Bonus: Define any vocab word you can remember {MUST BE DIFFERENT EVERY TIME} |
Created by:
madison.gomez
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