Chapter 1 Flashcards
Driven Science
Hypothesis
Deductive Reasoning
Discovery science
Descriptive, observation driven
Inductive reasoning
Scientific Method
Observation, Question, Hypothesis/Null Hypothesis, experiment, conclusions
Good hypothesis
Possible explanation for an observation
Testable
Leads to Predictions
Shows relationship between 2 things
Stem Cells
Cells that can become anything
Scientific questions
Must be testable
Parts of question must be definable
Levels of treatment
Actual values of independent variable
Controlled/standardized variables
What you keep the same throughout an experiment
Francesco Redi
Tested spontaneous generation w/ meat and flies
Louis Pasteur
Tested spontaneous generation with broth
Hypothesis vs. Theory
Hyp: possible explanation
Theory: Accepted explanation
What does science and evolution explain?
What we see
Unity and diversity of life
Acquisition of knowledge
Can occur in natural settings
Contrived settings
Can be passive
Can be active
Line graph
Each measurement is related
Bar graph
Single observation
Scatter plot
Each data plot completely independent
First law of thermodynamics
Energy can neither be created nor destroyed
Second law of thermodynamics
Degree of disorder in the universe tends to increase
Transcription
The synthesis of RNA from DNA
Translation
The synthesis of Protein from RNA
Plasma Membrane
- Really thin, fragile
- Same structure for everything
- Doesn’t define shape
Tree of Life
3 Branches:
- Eukaryotes
- Bacteria
- Archaea
variation
- environmental
2. selects for genetic info
Phylogeny
Branch of Bio that studies evolution realtionship
