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56 Cards in this Set
- Front
- Back
Scientific Method
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a procedure used to answer an original problem or question by identifying the problem, formulating a hypothesis and testing it including the collection of data to make conclusions
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Problem
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a scientific question based on observations on a proces
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Hypothesis
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best estimate on assumptions or answer to problem
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Independent Variable
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variable controlled by experimenter
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dependent variable
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variable that can be measured
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Control group
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used as comparison
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Pasteur
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french chemist
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pasteurs process
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introduced pasteurisation
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discrete data
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hisogram, bargraph infomration that ends
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continous data
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scatter/ line graph things that do not end
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research question
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a question regarding the issue you are discussing
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data
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information collected after the experiment
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conclusion
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brings everything together
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controlled varibales
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variables that are the same for everything
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figure
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explains the experiment and what the results mean
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procedure
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how the experiment is done, the process
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materials
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materials needed for the experiment
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monomer
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a molecule that can bond with other molecues to create a polymer
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polymer
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a molecule made up of several monomers
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Carbohydrate
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carbohydrates produce basic food for all living things made up of monosaccharides or single sugar like glucose
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lipid
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their purpose is energy storage, made up of fatty acids and glycerol
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dna
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deoxyribosenucleic acid, double helix strand made by a sugar phopshate backbone with hydrogen bonds with nitrogenous bases
tells cells how to behave |
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rna
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single strand ribonucleic acid has genetic material
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steroid
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an example of a lipid
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protein
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basic functions of life, structure of living things made by aminco acids a macromolecule is polipeptide
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amino acids
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make up protein a organic compound made up of carboxyl and an amino
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nucleic acid
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carry hereditary materials, building blocks are nucleotides macromolecules dna and others
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organic
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contains carbon compounds found in living organisms or produced by them
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fatty acids
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fatty acids make up lipids
saturated is with hydrogen bonds unsaturated: no hydrogen |
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cholesterol
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a white crystaline substance found in animal tissues
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polysaccharide
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a carbohydrated made by several sugar compunds together
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monosaccharide
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any type of sugar
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glycogen
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an example of a carbohydrate
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macromolecule
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contains many molecule
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phosphates
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let plants grow part of the back bone of dna
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nitrogenous bases
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the bases of the double helix strand of dna
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coenzyme
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a coenzyme is a non protein substance that helps enzymes complete their jobs and an example is vitamins
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enzyme
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a type of protein substance that changes the rate of a chemical reaction lowering its activation energy
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catalyst
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a catalyst is a substance that changes the rate of a chemical reaction
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product
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the outcome of the enzyme substance complex or in other words the final substance created through and enzymatic reaction
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environmental factors affecting:
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temperature, denatures shape of enzyme, ph or acidic base changes shape of enzyme
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reactant
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original substance that has to go through the chemical reaction
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activation energy
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energy that that is needed for a reaction to occur
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synthesis reaction
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creates new substance
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degradation reaction
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breaks down the original substance into two
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if___________ then__________________
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if independent variable controlled by experimenter then dependent variable which can be measured
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adenine and guanin are:
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purines
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thymine and ctyosine are
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pyramidines
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what are the main food groups?
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grains, protein, extras, water, vegetables, fruits, dairy
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serving size of grains
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6 ounces
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serving size of protein
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6 ounces
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serving size of extras
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6 ounces
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serving size of water
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8 cups
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serving size of fruits
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2 cups
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serving size of dairy
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3 cups
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serving size of vegetables
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2.5
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