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history |
| what organelle converts the chemical energy in food tinto a form that cells can use? |
mitochondrion |
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porkchoppony Tue, 17 Nov 2009 01:17:27 GMT |
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| what contains genetic information? |
chromosomes |
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porkchoppony Tue, 17 Nov 2009 01:17:27 GMT |
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| organ system |
organs that work together |
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porkchoppony Tue, 17 Nov 2009 01:17:27 GMT |
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| organ |
tissues working together |
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porkchoppony Tue, 17 Nov 2009 01:13:02 GMT |
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| tissue |
similar cells working together to perform function |
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porkchoppony Tue, 17 Nov 2009 01:13:02 GMT |
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| levels of organization in a multicellular organism |
individual cells
tissue
organ
organ system |
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porkchoppony Tue, 17 Nov 2009 01:13:02 GMT |
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| cell specialization |
different ways different tasks |
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porkchoppony Tue, 17 Nov 2009 01:13:02 GMT |
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| exocytosis |
merial fuses with cell membrane and forces contents out of cell |
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porkchoppony Tue, 17 Nov 2009 01:10:22 GMT |
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| pinocytosis |
pockets form on cell membrane, fill with liquid and pinch off to form vacuoles
pinecones need water to grow. |
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porkchoppony Tue, 17 Nov 2009 01:10:22 GMT |
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| phagocytosis |
exensions of cytoplasim surround a particle and make it into food vacuole
phago: sounds like ragu--sauce...food vacuole |
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porkchoppony Tue, 17 Nov 2009 01:10:22 GMT |
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| endocytosis |
taking material into cell using infoldings of the cell membrane
rforming a vacuole
ends the cells life and turns it into vacuole: ENDo |
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porkchoppony Tue, 17 Nov 2009 01:10:22 GMT |
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| molecular transport |
??/ |
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porkchoppony Tue, 17 Nov 2009 01:08:02 GMT |
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| active transport |
requires energy |
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porkchoppony Tue, 17 Nov 2009 01:08:02 GMT |
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| facilitated diffusion |
when the cell membrane protien helps the diffusion of glucose accross the membrane |
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porkchoppony Tue, 17 Nov 2009 01:08:02 GMT |
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| osmotic pressure |
hypertonic side of selectivly permeable membrane
can cause cell to burst
makiing vulnerable to ijuries to cell wall |
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porkchoppony Tue, 17 Nov 2009 01:08:02 GMT |
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| what can be isotonic? |
two solutions |
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porkchoppony Tue, 17 Nov 2009 01:05:48 GMT |
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| hypotonic |
below strength
hippo- bellow the water |
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porkchoppony Tue, 17 Nov 2009 01:05:48 GMT |
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| hypertonic |
above strength
hyper: lots of energy |
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porkchoppony Tue, 17 Nov 2009 01:05:48 GMT |
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| isotonic |
same strength
iso: same |
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porkchoppony Tue, 17 Nov 2009 01:05:48 GMT |
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| osmosis |
diffusion in h20 through selectivly permeable membrane |
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porkchoppony Tue, 17 Nov 2009 01:04:46 GMT |
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| equilibrium |
when concentraion is alll the same |
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porkchoppony Tue, 17 Nov 2009 01:04:46 GMT |
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| diffusion |
when things move from high to low concentration |
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porkchoppony Tue, 17 Nov 2009 01:04:46 GMT |
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| lipid bylayer |
double layered sheet giving the membrane flexibility |
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porkchoppony Tue, 17 Nov 2009 01:04:46 GMT |
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| concentration |
mass/vlume |
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porkchoppony Tue, 17 Nov 2009 01:03:01 GMT |
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| cell wall |
protection and support |
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porkchoppony Tue, 17 Nov 2009 01:03:01 GMT |
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| cell membrane |
flexible barrierlayer |
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porkchoppony Tue, 17 Nov 2009 01:03:01 GMT |
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| centrioles |
2 in animal cell
organize cell division |
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porkchoppony Tue, 17 Nov 2009 01:03:01 GMT |
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| cytoskeleton |
network of protein filaments
help keep shape and move |
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porkchoppony Tue, 17 Nov 2009 00:54:45 GMT |
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| lynn margulis |
mitochondria and chloroplasts are prokaryote decendants.
prokaryotes evolved into mitochondria |
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porkchoppony Tue, 17 Nov 2009 00:54:45 GMT |
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| chloroplasts |
photosynthesis producing |
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porkchoppony Tue, 17 Nov 2009 00:54:45 GMT |
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| what encloses the mitochondria? |
outer membrane
inner membrane |
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porkchoppony Tue, 17 Nov 2009 00:54:44 GMT |
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| mitochondria |
organelles that convert chemical energy into food |
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porkchoppony Tue, 17 Nov 2009 00:53:00 GMT |
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| vacuoles |
containers
sac-like
hold things in single celled and some animal cells |
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porkchoppony Tue, 17 Nov 2009 00:53:00 GMT |
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| lysosomes |
clean up crew for cell
digests
enzyme filled |
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porkchoppony Tue, 17 Nov 2009 00:53:00 GMT |
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| golgi appartus |
modify
package
sort
materials from ER |
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porkchoppony Tue, 17 Nov 2009 00:53:00 GMT |
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| smooth ER |
no ribosomes |
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porkchoppony Tue, 17 Nov 2009 00:50:59 GMT |
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| rough ER |
ribosome endoplasmic reticulim |
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porkchoppony Tue, 17 Nov 2009 00:50:59 GMT |
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| endoplasmic reticulium |
produces lipids and other protiens |
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porkchoppony Tue, 17 Nov 2009 00:50:59 GMT |
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| ribosomes |
protiens are assembled on
small particles of RNA |
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porkchoppony Tue, 17 Nov 2009 00:50:59 GMT |
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| nucleolus |
ribosome assembly |
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porkchoppony Tue, 17 Nov 2009 00:49:49 GMT |
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| chromosomes |
chrommatin condensed genetic information passing things |
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porkchoppony Tue, 17 Nov 2009 00:49:49 GMT |
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| chromatin |
dna bound to protien |
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porkchoppony Tue, 17 Nov 2009 00:49:49 GMT |
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| what covers the nuclear envelope? |
nuclear pores |
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porkchoppony Tue, 17 Nov 2009 00:49:49 GMT |
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| nuclear envelope |
2 membranes
allow things to move in and otu of nucleus |
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porkchoppony Tue, 17 Nov 2009 00:48:52 GMT |
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| the nucleus contains nearly all the cells ______. with it the coded instructions for making protiens and other important ______. |
dna
molecules |
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porkchoppony Tue, 17 Nov 2009 00:48:52 GMT |
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| TEMS |
transmission electron microscopes
thin samples |
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porkchoppony Tue, 17 Nov 2009 00:48:52 GMT |
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| SEMS |
scanning electron microscopes
electrons scanned over regular specimin to produce 3-d image
only for nonliving preserved things |
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porkchoppony Tue, 17 Nov 2009 00:48:52 GMT |
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| cytoplasm |
cell otuside nucleus |
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porkchoppony Tue, 17 Nov 2009 00:46:18 GMT |
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| organelles |
specialized organs |
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porkchoppony Tue, 17 Nov 2009 00:46:17 GMT |
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| prokaryotes |
don't have nucleui
genetic material is not in nucleus |
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porkchoppony Tue, 17 Nov 2009 00:46:17 GMT |
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| eukaryotes |
have nucleui
nucleus in which genetic material is separated. |
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porkchoppony Tue, 17 Nov 2009 00:46:17 GMT |
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| nucleus |
cell brain. holds cell genetic material DNA |
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porkchoppony Tue, 17 Nov 2009 00:44:55 GMT |
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| scanning probe microscopes |
looking at DNA |
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porkchoppony Tue, 17 Nov 2009 00:44:55 GMT |
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| cell theory |
cells compose all living things
cells are the basic unit of structure
and function
cells come from cells |
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porkchoppony Tue, 17 Nov 2009 00:44:55 GMT |
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| rudolf virchow |
cells come from cells |
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porkchoppony Tue, 17 Nov 2009 00:44:55 GMT |
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| theodor schwann |
animals are made of cells |
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porkchoppony Tue, 17 Nov 2009 00:42:44 GMT |
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| mattais scleiden |
all plants are made of cells |
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porkchoppony Tue, 17 Nov 2009 00:42:44 GMT |
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| anton van leeuwenhoek |
single lens micrscope to observe pond water; everything has cells |
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porkchoppony Tue, 17 Nov 2009 00:42:44 GMT |
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| robert hooke |
compound microscope
cells- monasteries |
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porkchoppony Tue, 17 Nov 2009 00:42:44 GMT |
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