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Definition
| A body of knowledge and a method or process |
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Term
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Definition
1. Observe a phenomenon
2. Question
3. Hypothesize
4. Experiment
5. Draw Conclusions
6. Communicate Results
7. Continue Researching |
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| An educated guess that explains an observation and will be or is being tested |
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| A hypothesis that has been repeatedly supported by evidence and never found false. |
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| Can science be proven true? |
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Definition
| No because other unknown variables may confound the results |
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| 2 main parts to experimental design |
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| Test Sample and Control Sample (experiment must be repeatable) |
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| An alternative organism used in research to mimic your organism of interest |
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| What makes a good model organism? |
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Definition
| Cheap, short life span, well known and characterized, and most like your organism of interest |
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| What makes a good conclusion? |
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Definition
1. backed by data
2. does not use terms like believe
3. doesn't use tricks to make results look more dramatic
4. includes statistics |
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| How can one communicate results? |
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Definition
1. presenting at a meeting
2. publishing in text and graphs
3. press release
4. internet |
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| Scientists can ______ follow the scientific process and still be reliable. |
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| Whats the most reliable form of science news? |
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| Research journal article or textbook |
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| Whats the least reliable source for science news? |
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Definition
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| How can you tell if a news source is reliable? |
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| by seeing if it cites the sources it uses |
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| What characterized Good Science? |
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Definition
1. hypothesis or theory
2. Experiment must be designed to test hypothesis, have control groups, be repeated, avoid researcher and test subject bias (blinds and impartial)
3. may use statistics
4. conclusions must be good
5. comes from reliable source |
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Definition
| a substance made entirely from one type of atom |
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Definition
| the study of living organisms |
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| Characteristics of Living Organisms |
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Definition
1. Have DNA and use it to reproduce
2. Grow
3. Require energy and materials
4. React to stimuli
5. Produces Waste
6. Adapt and evolve as a species
7. All do cellular respiration and have a metabolism
8. Obtain homeostasis |
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| Life starts from _____ in the hierarchy of the biosphere |
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Definition
| the smallest unit of an element |
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Definition
| two or more atoms linked together |
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Definition
| the result of an electron without its partner ( steals electrons from atoms in DNA causing mutations) |
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| reduce free radicals by taking ______ |
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Definition
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| the shape of a molecule determines its ____ |
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Definition
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| a molecule is considered organic if it... |
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Definition
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| what are the 4 classes of organic molecules |
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Definition
| carbohydrates, lipids, proteins, nucleic acids |
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| Carbohydrates have monomers called _____ and polymers called ______ |
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Definition
| monosaccharides, polysaccharides |
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| Function of Carbohydrates |
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Definition
| source of energy, fuel for nervous system, fiber |
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| Glycogen is source of energy for ______ and Starch is source of energy for _____ |
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Definition
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| you get 45-65% of your calories from these |
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Definition
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| the monomers of lipids are called ____ and the polymers are called ______ |
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Definition
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Definition
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| Fats, Oils, Phospholipids, and Cholesterol |
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Definition
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Definition
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Definition
| makes membranes fluid required for making steroids/hormones |
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| its important for us to do what with lipids in our diet |
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Definition
| limit trans fat, normal fats, and cholesterol |
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Term
| the monomers for proteins are called ___ and the polymers ______ |
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Definition
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| Proteins function is to.. |
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Definition
| help with communication, protection, structure provided, energy storage, speeds up reactions/metabolism, transportation and movement |
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| 8 essential amino acids (_______) and 12 nonessential amino acids (_______) |
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Definition
| must be gotten in diet, body makes itself |
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| Nucleic Acids monomers are called _____ and the polymers ______ |
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Definition
| nucleotides, nucleic acids |
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| Functions of Nucleic acids is |
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Definition
| DNA stores information, RNA transfers informatin to make proteins, ATP |
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Definition
| a phosphate, sugar and a base |
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| T or F - Nucleic acids are made in our body, not needed to get from diet |
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Definition
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Definition
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| we dont need to eat nucleic acids and some proteins (t or f) |
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Definition
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Definition
| DNA is floating free, no organelles |
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Definition
| DNA is in nucleus, Have organelles |
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Definition
| DNA is in nucleus, Have organelles |
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| Prokaryotic cells have two kingdoms... |
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Definition
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| Eukaryotic cells have four kingdoms... |
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Definition
| Plants, Animals, fungi, and protists |
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Definition
| multicellular, cell walls, autotrophic (make own food) |
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Definition
| multicellular, no cell walls, heterotrophic (feed off other living things) |
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Definition
| Single or multicellular, no cell wall |
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Definition
| single or multicellular, no cell wall, heterotrophic or autotrophic |
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Definition
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| membrane bound, controls movement of materials in and out of cell |
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Definition
| membrane bound, stores DNA, makes mRNA |
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Definition
| no membrane, connect with strands of mRNA from nucles to make prteins in all living things |
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Definition
| membrane bound, site of cellular respiration which makes ATP |
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| ATP stores energy in the .... |
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Definition
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| ATP has more energy than ADP (t or f) |
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Definition
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Definition
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| energy is not created nor destroyoed (t or f) |
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Definition
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Definition
| releasing energy stored in organic molecules.. (all living things do it) |
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| photosynthesis is important to mankind because it harvests carbon dioxide from the air and releases oxygen (t or f) |
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Definition
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| plants build up their bulk from |
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Definition
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| do plants do respiration and photosynthesis |
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Definition
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| do other species do photosynthesis |
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Definition
| yes, algae and many species of bacteria do |
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Term
| what does an organism need to do photosynthesis |
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Definition
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| is cellular respiration the same thing as breathing |
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Definition
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| equation for photosynthesis |
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Definition
| CO2 +water = glucose + oxygen |
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| equation for respiration is |
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Definition
| glucose +oxygen = co2 + ATP + water |
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Definition
| the increase of the average temp of earth |
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| possible causes of global warming |
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Definition
| increased co2 production (cars, power plants) and decreased co2 use ( deforestation and burning of trees) |
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| evidence of global warming |
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Definition
| rising shorlines, melting ice caps, increased global temperature |
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| solutions to global warming |
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Definition
fluorescent or LED light bulbs
,drive more efficient cars
,move the thermostat down
,use low flow shower heads
,insulate your water heater
,plant a tre,
biofuels and renewable energy |
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