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20 Cards in this Set
- Front
- Back
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Difference between Observation and Inference
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Observation: The act of viewing or noting a fact or occurence
Inference: The process of arriving at some conclusion. |
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Steps of a scientific method
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1. Identify a problem/question
2. Make observations 3. Form a hypothesis 4. Design an experiment 5. Gather and record data 6. Analyze & draw conclusions 7. Report Observations (IMFDGAR) |
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Six Characteristics of Living Things
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1. Made of cells
2.Obtain and use energy 3. Grow and develop 4. Reproduce 5. Respond to thier enviroment 6. Adapt to thier enviroment (MOGRRA) |
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Cell Theory: 2 parts
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PART 1:
- All living things are made of cells PART 2: - New cells form from existing cells |
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Homestasis
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When a cell has the tendency to maintain internal equlibrium
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Passive Transport
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When molecules move from an area of high concentration to areas of low concentration. Requires NO energy
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Active Transport
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When molecules move from areas of low concentration to areas of high concentration. REQUIRES ENERGY
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Hypertonic and Hypotonic
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Hypertonic: The solute concentration is higher outside the cell. This causes the cell to shrink.
Hypotonic: When there is more solute concentration inside the cell. This causes the cell to swell |
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Nucleotide
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Possible SUGARS: Deoxy ribose and ribose
BASES: Adenine, Thymine, Cytosine, Guanine and Uranine |
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mRNA
tRNA rRNa |
Location:
mRNA- nucleus tRNA- cytoplasm rRNA- ribosomes Role: mRNa- Carries DNA message from nucleus to ribosomes tRNA- Carries amino acids to ribosomes rRNA- Makes up proteins |
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Translation
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The process by which the mRNA specifies the linear sequence of the amino acids
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Transcription
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The process by which the genetic information on a DNA strand is used to synthesis a strand of RNA
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Codon
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Three nucleotides of tRNA
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Anticodon
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Three nucleotides of mRNA
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Karotype
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The order of chromosomes.
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Biogenesis
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Living things came from other living things.
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Cast
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Effused plastic matter produced in the hollow part of various deceased organs.
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Mold
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A hollow form for giving a particular shape to something in molten or plastic state
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Living Fossil
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A organism that is a living example of an otherwise extinct group and that remained unchanged in structure and function over a period of time.
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Three evidence of evolution
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Palentology, Molecular Biology, Homologous Structures
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