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LD BIO QTR #1
LD BIO Quarterly #1
| Term | Definition |
|---|---|
| PROBLEM | Question Asked |
| HYPOTHESIS | Possible solution to the problem |
| MATERIALS | What you need to perform the experiment |
| EXPERIMENT | Steps to perform the experiment |
| OBSERVATIONS | Taking measurements, graphs, tables, etc. |
| CONCLUSION | Answers the hypothesis |
| VALID EXPERIMENT | More trials, More subjects tested, Extend time of the experiment |
| MEASURE MORE PRECISELY | How do measurements become more accurate? |
| INDEPENDENT VARIABLE | What you change in an experiment |
| DEPENDENT VARIABLE | What responds to the change (measurable) |
| CONSTANTS | Things that stay the same |
| CONTROL | Used as a comparison - No testing occurs |
| X AXIS GRAPH | Independent Variable |
| THEORY | Scientific guesses - possible answers to complex problems |
| LAW | Results only when many scientists repeatedly reach the same conclusion |
| BENEDICT'S SOLUTION | Indicator for Glucose (blue --> green, orange, brick red) |
| LUGOL'S IODINE SOLUTION | Stain for Plants - Indicator for Starch (Amber --> blue-black) |
| METHYLENE BLUE | Stain for Cheek Cells |
| ORGANIZATION OF LIFE (SIMPLE TO COMPLEX) | Organelle, cell, tissue, organ, organ system, and organism |
| PLANT | Cell wall, Chloroplasts, Large Vacuole |
| ANIMAL | Centrioles |
| PREDATION | Why 2 organisms might not survive in a petri dish when grown together |
| TOXICITY LEVELS BUILD UP | Why 2 organisms might not survive in a petri dish when grown together |
| NO FOOD | Why 2 organisms might not survive in a petri dish when grown together |
| O2 SPACE | Why 2 organisms might not survive in a petri dish when grown together |
| AUTOTROPHIC | Make their own food |
| HETEROTROPHIC | Must obtain pre-made food eat other organisms |
| HOW DOES THE AMOUNT OF SUNLIGHT AFFECT THE GROWTH OF A PLANT? | Increase sunlight ---> Increases the growth of the plant |
| CELL WALL | Protects and supports |
| CELL MEMBRANE (PLASMA MEMBRANE) | Regulates what enters & exits the cell |
| CYTOPLASM | Allows chemical reaction to take place |
| GOLGI COMPLEX | Packages proteins |
| MITOCHONDRIA | Makes ATP by cellular respiration |
| ENDOPLASMIC RETICULUM | Fluid filled channels for transport |
| RIBOSOMES | Make proteins |
| NUCLEUS | Controls all cell activities |
| NUCLEOLUS | Makes ribosomes |
| CENTRIOLES | Assists in cell division |
| LYSOSOMES | Breaks down work out cells with enzymes |
| VACUOLES | Stores dissolved minerals and wastes |
| CHLOROPLASTS | Makes glucose by photosynthesis |
| NUTRITION | Taking in of food and changing to a useable form (ex: Amoeba ingests) |
| TRANSPORT | Absorption & Circulatory substances (ex: O2 moves in) |
| RESPIRATION | Release of chemical energy |
| REGULATION | Control & Coordination to maintain homeostasis (ex: earthworm seeks moisture) |
| SYNTHESIS | Simple to more complex (ex: Amino Acid to Protein) |
| GROWTH | Increase in size or # of cells (ex: mitosis) |
| REPRODUCTION | Making offspring |
| EXCRETION | Rid of metabolic wastes (ex: CO2, H2O, nitrogenous wastes) |
| HOMEOSTASIS | Maintain constant internal environment |
| METABOLISM | All the chemical reactions or sum of life processes |
| COMPOUND MICROSCOPE | Enlarges |
| PHASE CONTRAST MICROSCOPE | Uses filters to see specimen so no stain to kill cell |
| DISSECTING MICROSCOPE | See organs of an organism closer |
| ELECTRON MICROSCOPE | Beam of electrons magnifies (100,000 X) |
| CENTRIFUGE OR ULTRACENTRIFUGE | Separates by density |
| CHROMOTAGRAPHY | Separates pigments by a solvent |
| ELECTROPHORESIS | Separates DNA into bands by electricity |
| MICRODISSECTION | Removes nucleus & inserts into another cell. |
| PASSIVE TRANSPORT | Moves from (High) --> (Low) - No Energy |
| ACTIVE TRANSPORT | Moves from (Low) --> (High) - Requires Energy |
| PHAGOCYTOSIS | The process in which large particles or small organisms are ingested into a cell. |
| PINOCYTOSIS | The process in which liquids or very mall particles from the surrounding medium are taken into a cell by the formation of a vesicle. |
| DIFFUSION | Movement of molecules from an area of higher concentration to an area of lower concentration. |
| FACILITATED DIFFUSION | A process by which certain molecules diffuse quickly across a cell membrane. |
| HOW DO YOU ADD A SALT SOLUTION TO A SLIDE | Put one drop of salt water on 1 side of slide and paper towel on the other. |
| HYPERTONIC | A solution whose concentration of solutes is higher than that of a cell placed in it. Membrane shrinks |
| HYPOTONIC | A solution that contains a lower concentration of dissolved substances than that of a cell placed in it. |
| ISOTONIC | A solution that contains the same concentration of dissolved substances as does a living cell placed in it. |
| TECHNIQUE USED TO ANALYZE DNA | Separating DNA fragments on the basis of size |
| TAXONOMIC CATEGORIES | Kingdom, Phylum, Class, Order, Family, Genus and Species |
| PHYLOGENTIC TREE | Show relationships but mostly common ancestry |
Created by:
desilva13
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