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32 Cards in this Set

  • Front
  • Back
8 characteristics of life
growth, reproduction, organization, adaptation, irritability, metabolism, homeostasis, information
empirical
based on observations and experience
scientific approaches
discovery method: inductive, builds observations.. point up

hypothesis science: scientific method, point down
1. observation
2. problem
3. hypothesis
4. experiment
5. conclusion
hypothesis
educated guess that can be tested
one person
value placed on testability
theory
time tested hypothesis
more than one person
carries weight
more comprehensive
biology
the study of life
evolution
unifying theme
accounts for combination of unity/diversity
descent with modification - unequal reproductive success
ionic bond
transfer of electrons
covalent bond
sharing of electrons
forms molecule
reactants
starting materials in reaction
products
end result materials in reaction
acid
ph 0-7 (0 strongest)
gives hydrogen ions in soln.
base
ph 7-14 (14 strongest)
takes hydro ions in soln.
buffer
substances taht resist changes in ph by accepting or donating h ions when unbalanced
monomer
basic unit of an organic compnd.
dehydration synthesis
how organic molecules are put together removing water
hydrolysis
breaking apart organic molecules by adding water
isomers
compounds that have same molecular formulas but different structural formulas
peptide bonds
bonds between proteins
isotope
atoms with same atomic number but different weights
denaturation
breaking of protein bonds
cell theory
1.all living organisms composed of cells
2.cell is the basic unit of structure and function
3.cells come from preexisting cells
2 main categories of cells
prokariotic, eukariotic
all cells have
cell membrane
cytoplasm
nucleus
nucleoli
produces components of ribosomes
ribosomes
site for protein synthesis
endoplasmic reticulum
cytoplasmic network of channels
-rough-ribosomes
-smooth-no ribosomes
golgi apparatus
warehousing and storage
vacuoles
fluid filled space
lysosomes
enzymes
chloroplasts
photosynthesis
mitochondria
powerhouse for cellular respiration