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90 Cards in this Set
- Front
- Back
ecosystem
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compilation of biotic and abiotic factors
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biotic factors
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everything living or dead
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abiotic factors
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non living . weather, rocks, water, sun
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primary productivity
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rate that solar energy is converted to chemical energy= photosynthesis
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producers
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autotrophs (only 1% of sun is converted to chemical energy)
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consumers
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only 10% of that 1% is converted into usable energy (and every level above that.. 10 of 10%.. )
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bioremediation
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use of living organisms to remove harmful compounds from environment.
ex. running water thru cattails(marsh) instead of filters |
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bioaugmentation
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use of living organisms to add something to the environment
ex. farmers adding bacteria to get .. somethin.. out of environment |
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Green House Gases
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water, methane, ozone, nitrous oxide, fluorocarbons, carbon dioxide
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acid rain
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abnormally high pH in the rain.
when mixed with water, carbon oxides/nitrogen oxides/and sulfer oxides form acids |
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Bioaccumulation:
bioconcentration |
increase in concentration of some pollutant compound
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Bioaccumulation:
biomagnifcation |
one step further than bioconcentration,
increase in concentration of some pollutant compound AS IT moves through the food chain. ex. DDT in mosquitoes |
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Whats in the atmosphere?
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nitrogen
oxygen argon carbon dioxide other.. |
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Biogeochemical Cycles
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driven by the sun
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Name the Biogeochemical cycles
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hydrologic cycle
carbon cycle nitrogen cycle phosphorus cycle |
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Homogeneous substance
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uniform composition (koolaid=sugar&water)
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Heterogeneous substance
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nonuniform composition
(water & oil) |
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solvent
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component of greater quantity
ex. water |
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solute
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component of lesser quantity
ex. sugar |
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ernest rutherford
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discovered the proton
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J.J. Thompson
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discovered the electron
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Atomic number
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number of protons.
that number never changes in an element or it changes the element altogether |
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Atomic mass =
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number of protons + number of neutrons
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Dimitri Mendeleev
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periodic table
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ion
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one element with a charge (whether it be neg. or pos)
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isotope
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when you change the # of neutrons (changes the atomic weight)
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phases of the elements on the periodic table:
letters are colored in BLUE RED |
Blue= liquid
red= gas |
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allotrope
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2 or more forms of the same element
solid carbon -diamon -graphite |
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ionic bonding
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when you gain or lose an electron
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Covalent
Ionic Hydrogen |
Strongest
Moderate Weakest bonds |
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cations
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lost electrons (positive charge)
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anions
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gain electrons (neg charge)
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covalent bonds
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sharing pairs of electrons
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condensation OR dehydration synthesis
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a water is made and the monomers get togetha
ex. water in a cup water in the shower |
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hydrolysis
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water breaks apart and goes to different monomers
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inorganic chemistry
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non carbon
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characteristics of water
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polar
cohesive resists temp change evaporation freezing |
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pH values
0-7 |
acidic
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pH values
7 |
neutral
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pH values
7-14 |
basic
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monosaccharides
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glucose
galactose fructose ribose |
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disaccharides
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two monosaccharides together
ex. sucrose put a glucose & fructose together |
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polysaccharides
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many monosaccharides
ex. starch cellulose chitin |
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lipids
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do NOT have mono/poly thing
greasy/oily not soluble in water twice the energy of a carb |
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examples of lipids
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glycerides
fatty acids (saturated and unsaturated) phosolipids nonfatty acids (steroids, waxes) |
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phosolipids are..
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lipids
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the head of a phospholipid is..
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hydrophilic (likes water)
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the tail of a phospholipid is..
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hydrophobic (doesn't like water)
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protein
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active molecules that do stuff
specific shape & purpose *THEIR SHAPE IS MOST IMPORTANT |
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monomers of proteins
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amino acids
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polymers of proteins
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primary, secondary, tertiary, and quaternary. further down the list, more complex
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enzymatic proteins
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specific kinds of proteins (speed up chemical reactions)
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Purines
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adenine & guanine
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Pyrimidines
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cytosine & thymine
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What kind of bond is between DNA nucleotides?
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hydrogen bonds
2 between A and T 3 between G and C |
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DNA is a..
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double stranded helix
five carbon sugar |
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RNA is a..
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single stranded
five-carbon sugar |
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Nitrogen Bases in RNA : Purines
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A and G
2 Rings |
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Nitrogen Bases in RNA: Pyrimidines
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1 Ring
C & U |
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Robert Hooke
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coined term "cell"
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Which domains are prokayrotic
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archaea & bacteria
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non-membrane bound organelles
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ribosomes & microtubules cytoskeleton & centrioles
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plasma membrane
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all living cells have one
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prokaryotic cells are generally
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small
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prokaryotic cells have circular..
there is one .. |
DNA
chromosome |
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membrane bound organelles in eukaryotic cells
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mitochondrion
golgi apparatus |
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Which kingdoms have rigid cell walls?
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plants, fungi&lichens, slime molds
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DNA in eukaryotic cells
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NOT circular
generally have multiple chromosomes |
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cell walls are made up of
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polysaccharides:
cellulose microfibrils chitin |
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plasma membranes are in ..
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every known cell
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passive transport with out the aide of a protein
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simple diffusion
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passive transport with the aide of a protein
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facilitated diffusion
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passive transport
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spontaneous movement of particles across the biological membrane with a concentrated gradient with out aide of ATP
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active transport
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movement of particles across biological membrane AGAINST concentration gradient, AIDED by transport protein AND ATP
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hypertonic
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more solute
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isotonic
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same solute
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hypotonic
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less solute
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exocytosis
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taking OUT food from cell
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endocytosis
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bRINGING in food to the cell
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pinocytosis
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"to drink" cell drinking
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DOUBLE membrane bound organelles
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nucleus, mitochondria, chloroplasts
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Cristae
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folded parts of inner membrane of mitochondria
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grana
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stacks of thylakoids (in chloroplasts)
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thylakoids
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where photosynthesis takes place
(chloraphil inside here) |
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SINGLE membrane bound organelles
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ER (smooth & rough)
Golgi apparatus lysosomes peroxisomes glyoxysomes vacuoles |
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smooth ER responsible for making..
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LiPiDs... (Synthesis, secretion, storage)
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Rough ER makes..
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PROTEINS
Synthesis Secretion Storage |
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Golgi Apparatus makes..
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CARBS
Synthesis Secretion Storage |
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Reduction
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gaining electrons
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Oxidation
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losing electrons
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