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Lab Bio Final
9th grade biology final
| Question | Answer |
|---|---|
| Isotonic Environment | solute concentration outside cell is same as inside the cytoplasm |
| effect of isotonic environment on plant cell | stays the same |
| effect of isotonic environment on animal cell | stays the same |
| Hypertonic Environment | solute concentration outside cell is less than concentration inside the cell |
| effect of hypertonic environment on animal cell | swells and explodes |
| effect of hypertonic environment on plant cell | swells but cell wall prevents from explodin |
| food chain in NJ | pond plants, dragonfly, frogs, bass, kingfisher |
| Main source of energy in any food chain? | the sun |
| chloroplast | site of photosyntheses where energy is converted from sunlight to glucose |
| ER | moves materials through cells |
| mitochondria | site of cellular respiration, where food is converted to energy |
| lysosomes | breaks down worn out cell parts into building blocks which are reused to build new organelle |
| ribosomes | site of protein sunthesis |
| vacuoles | water storage |
| primary structure of protein | order or sequence of 20 different amino acids in a protein |
| secondary structure of protein | as the protein gets longer it starts to talk on a shape |
| tertiary structure | the alpha helix or beta pleated sheets fold back on themselves |
| quaternary structure | 2 or more proteins join together to make 1 large protein |
| What determines the function of a protein | its shape |
| what determines the 3D shape of the protein | the R group |
| What determines the primary structure of a protein | the order of amino acids |
| What is a gamete? | a sex cell |
| What are examples of sex cells | sperm and egg |
| what are the funtions of gametes? | to reproduce |
| What color would be least helpful to plant growth? | green, because it is green |
| What is a communicable disease? | you can catch it |
| What is a genetic gene? | it is in your genes |
| What is a test cross? | used to determine genotype of dominant phenotype |
| Purpose of photosynthesis | makes glucose from co2 and water |
| sunlight + 6CO2 + 6H2O = C6H12O6 + 6O2 | chemical reaction of photosynthesis |
| light independent reactions | use chemical energy trapped in light reaction to build glucose |
| light dependent reaction | use sunlight energy and convert it to chemical energy |
| Mitosis? | division of nulcues, orderly series where daughter cells get their set of chromosomes |
| purpose of meiosis? | make gametes |
| Example of Prokaryotic cell | bacteria |
| What is a eukaryotic cell? | cell with nucleus and organelles |
| Natural Selection | survival of the fittest; when nature decides which organisms will live or die based oin how suited they are. |
| example of natural selection | peppered moths |
| food web | overlapping food chains |
| ecological succession | orderly change in the makeup of a community |
| cause of ecological succession | the growth of 1 population |
| passive transport | uses energy provided by environment, (heat) |
| active transports | cell energy to move molecules around membrane |
| diffusion | movement of molecules |
| osmosis | movement of water |
| replication | where DNA serves as model or template to make exact copy of DNA for mitosis |
| trancription | DNA serves as model for complmentary RNA copy |
| translation | RNA is made into proteinss using the proper amino acids |
Created by:
bug9518
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