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Science Test
Question | Answer |
---|---|
Name some elements and what are they the same as? | Na, Li, Ag, Au. Are the same thing as atoms. |
Define an atom? | It is the building block of matter both living and nonliving. |
Name some molecules and what are they the same as? | O2, NaCl, H2O, H2 O2, C6H12O6. Are the same thing as a compounds. |
Define a compound? | It is a group of atoms held together by a chemical bond. |
Name the 4 macromolecules for life. | Carbohydrates, Protein, Nucleic Acids, Lipids. |
What are proteins, lipids and carbohydrates? | Nutrients. |
What's the function of a cell membrane? | Its function selectively allows things into and out of the cell. |
Heads-Hydrophilic. Tails- hyrodphlsipid | Phospholipid bilayer know how to draw it. |
Passive transport- Function. | Passive transport requires no energy |
Define simple diffusion. | Diffusion- Any liquid going across a cell membrane. Identify these in an experiment. |
Define Osmosis. | Water movement from high concentration to low concentration. |
What is Solution? | mixture 2 or more substance |
What is a Solute and a Solvent? | Solute- being dissolved Solvent- doing the dissolving |
What is Isotonic, Hypertonic, and Hypotonic ??? | Isotonic- equal to solute + solvent Hypertonic- higher solute Hypotonic higher solvent |
Know the difference between mitochondria and chloroplast. Know the structure of the mitochondria and chloroplast. Whats the function of Thylakoids- it holds the pigment for the chloroplast and Cristae- increase surface area for making energy. | Know the difference between mitochondria and chloroplast. Know the structure of the mitochondria and chloroplast. Whats the function of Thylakoids- it holds the pigment for the chloroplast and Cristae- increase surface area for making energy. |