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Bio Exam
| Term | Definition |
|---|---|
| molecules that dissolve in water are called | hydrophilic |
| what is the monomer for protein | amino acid |
| definition of solute | substance that can be dissolved by a solvent |
| Antonie Van Leeuwenhoek discovery | discovered living cells |
| the small building blocks of larger molecules are called | polymers |
| a covalent bond substance is formed by | hydrogen |
| what are saturated fats | fatty acid chains have one single bond |
| what are unsaturated fats | there is one or more double bond in the fatty acid chain |
| COOH | carboxyl/acid group |
| what is an example of chemical reaction and which side is the reactant and which is the product | reactants- left products- right |
| what is the monomer for lipids | glycerol and fatty acids |
| the twenty amino acids differ from each other in their | side chain |
| What is the dotted line represent between water molecules? | hydrogen bonds |
| definition of solvent | able to dissolve other substances |
| the diffusion of water through selectively permeable membrane | osmosis |
| a cell having higher concentration of water in it its cytoplasm | hypertonic |
| chloroplast | absorbs sunlight for photosynthesis |
| Hypothesis | theory or guess |
| the series of changes that an organism undergoes during its lifetime | development |
| light microscope with more than one lens is called | compound light microscopes |
| The view that knowledge can be gathered through careful observation and or measurement | Empiricism |
| what is science | study of nature |
| scientific method | Observe (5 senses) Hypothesis (if/then) expirement(list procedures/materials/variables) data(quantitative/qualitative) analyze (conclusion) |
| Variables in experiment | independent, dependent observed, constant, control |
| data in experiments | quantitative and qualitative |
| Objective versus subjective science | Objective knowledge- factual subjective - basic knowledge that you know |
| Scientific law vs theory | (scientific law)- tested numerous times and "proven to be true" (Theory)-a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained. |
| biology | study of living things |
| list from least to greatest | Cells, tissue, organs, organ,system, organism |
| 8 characteristics of life | cells homeostasis reproduction stimuli heredity evolution growth/development energy/ metabolism |
| micro-technique | prepare micro-objects for studying |
| organic molecules are different from inorganic molecules because | organic molecules contain carbon |
| what molecule is used for immediate energy in the body | carbohydrate |
| what is the ratio of the molecule formula of a carbohydrate | 1:2:1 |
| What is the process called in which scientists check one another's work before publication | peer review |
| Independent variable | changed or controlled in an experiment |
| dependent variable | the outcome variable |
| what is the main source of food energy | carbohydrates |
| what is the smallest unit of an element | atom |
| what is the smallest unit of life | cell |
| what are the functions of lipids | storage energy |
| carbohydrate suffix | hydrate (ose) |
| P04 | phosphate group |
| OH | hydroxyl/alcohol group |
| NH2 | amine group |
| what is the monomer for carbohydrate | saccharide |
| what is the monomer for nucleic acid | nucleotide |
| in a chemical reaction, a substance binds to an enzyme in a region called | enzyme's substrate |
| this attraction of water molecules to one another is the result of | the hydrogen bond |
| definition of solution | homogeneous mixture of two or more substances |
| definition of suspension | heterogeneous mixture that contains solid particles sufficiently large |
| microscopes | light ( compund) electron ( TEM transmission electron) |
| rudolph virchow discovered | cells |
| louis Pasteur discovered | new cells are produced from existing ones |
| Matthias Schleiden discovered | all plants are made of cells |
| Theodore Schwan discovered | all animals are made of cells |
| Robert Hooke created | the term "cell" |
| the steady state between a cell and its environment | homeostasis |
| what is the cell membrane made up of | phospholipids |
| Powerhouse of the cell | mitochondria |
| the easier way for a cell to move materials into and out of cell | diffusion |
| a cell having less concentration of water in it its cytoplasm | hypotonic |
| a cell having equal concentration of water in it its cytoplsm | isotonic |
| passive transport | the movement of substances across a cell membrane without the use of energy by the cell |
| cells that have nucleus and membrane bound organelle | eukaryote |
| vacuole | stores materials |
| golgi apparatus | modifies, sorts, packages proteins |
| ribosome | makes proteins |
| ATP | main energy source for proteins |
| inference | using what you know to draw a conclusion |
| observation | direct method of gathering |
| RNA | cells that carries information from the cell to the cytoplasm. |
| DNA | tells cell what proteins to make |
| carnivore | eats animals |
| herbivore | eats plants |
| omnivore | eats plants and animals |
| stimulus | a signal to which an organism reacts |
| response | An action or change in behavior that occurs as a result of a stimulus. |
| cilia and flagella | move the cell or substances around it |
Created by:
isabella2105
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