Dewey Exam 1 - UNT
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Emergent Properties | Traits that a system contains, but individual parts do not
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| Reductionism | Breaking a system apart and studying it's individual parts
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| Systems Bio | Studying a system by modeling how parts interact
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| Transformation of energy: | Always comes in as light and leaves as heat
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| Form meets function | Structure and function are closely related
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| Cell | Smallest thing that can be called "alive"
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| Membrane | Encloses cells
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| DNA | Uses this as genetic info, blueprint of life
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| Colonies | Groups of cells
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| DNA carries: | Carries information that determines on organism
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| Regulation of Bio-Systems | Feedback Loops/mechanisms
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| Negative feedback | Product up process down;
ATP production;
Super common
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| Positive Feedback | Product up process up;
Already making, but needs more;
EX: Blood cotting;
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| Industrial Melanism | Phenomenon in which darker individuals predominate over lighter ones
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| Taxonomy | Organisms are classified based on similarities
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| Nested hierarchy | Grouping of organisms from most generic to most specific
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| 3 Domains of life | 1. Bacteria
2. Archaea
3. Eurkarya
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| Eukarya | Domain consisting of protists, fungi, animalia, plantae
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| Process of Science (1-4) | 1. Observation leads to question
2. Leads to Hypothesis
3. Leads to experiment
4. Leads to conclusion that supports or denies hypothesis
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| Iterative Hypothesis | Hypothesis can be changed and revised throughout the experiment
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| How many variables are tested each experiment? | Only 1 variable
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| Dependent Variable | What investigator measures in experiments
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| Independent Variable | What is changed in the experiment
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| Deductive reasoning | Reasoning that uses general principles to make predictions
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| Inductive reasoning | Reasoning that uses observations to develop general conclusions
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| Matter | Anything that takes space and has mass
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| Nucleus Charge | Always positive
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| Measurement weight of 1 atom | 1 Dalton
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| Atomic Number means # of what in an atom? | Number of Protons in an Atom
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| Mass Number means # of what in an atom? | Sum of Protons and Neutrons
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| Isotope | Different atomic forms of a single element with varying numbers of Nuetrons
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| Radioactive Isotopes | Nucleus decays spontaneously giving off particles and energy
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| 4 Elements that make 96.3% of Human Weight | Oxygen, Carbon, Hydrogen, Nitrogen
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| Strong bonds: | Ionic, Covalent
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| Cation: | Positively charged atom
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| Anion: | Negatively charged atom
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| Non-polar covalent bonds | Equal sharing of electrons
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| Polar covalent bonds | Unequal sharing of electrons
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| Hydrogen bonds | weak bonds that hold two or more polar covalent compounds together
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| Van Der Walls | -Weak forces that hold non-polar covalent compounds
- Result from asymmetric distribution of electrons in their outer shell
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