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31 Cards in this Set

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Cytoplasmic Streaming
The motion in a cell the results in a coordinated movement of the cell’s contents
Rough ER
ER that is dotted with ribosomes
Smooth ER
ER that has no ribosomes
Golgi bodies
the organelles where proteins and lipids are stored and then modified to suit the needs of the cell
Leucoplasts
organelles that store starches or oils
Chromoplasts
organelles that contain pigments used in photosynthesis.
Phagocytosis
the process by which a cell engulfs foreign substance or other cells
Cytolysis
the rupturing of a cell due to internal pressure.
Activation energy
energy necessary to get a chemical reaction going.
Phospholipid
A lipid in which one of the fatty acid molecules has been replaced by a molecule that contains a phosphate group.
Passive transport
movement of molecules through the plasma membrane according to the dictates of osmosis or diffusion.
Active transport
movement of molecules through the plasma membrane (typically opposite the dictates of osmosis or diffusion) aided by a process that requires energy.
ATP
adenosine triphasphoate. adenosine w/ 3 phosphate groups.
ADP
adenosine diphosphate. one phasphate gently breaks off from a triphosphate.
11 functions of life...
1. absorption
2. digestion
3. respiration
4. biosynthesis
5. excretion
6. egestion
7. secretion
8. movement
9. irritability
10. homeostasis
11. reproduction
a d r b e e s m i h r
plasma membrane (organelle 1)
semipermeable, lets some things pass through (i.e. nutrients, water, oxygen)
cytoplasm (organelle 2)
jelly like fluid where organelles are suspended. important in cytoplasmic streaming.
mitocondria (organelle 3)
responsible for resperation and converting nutrients into energy.
ribosomes (organelle 4)
non-membrane bound organelles responsible for protein synthesis
endoplasmic reticulum (organelle 5)
(ER) mantains shape of cell. made of extrensive folded membranes that preform several tasks within the cell.
absorption
the transport of dissolved substances into cells
digestion
the breakdown of absorbed cells
respiration
the breakdown of food molecules with a release of energy
excretion
the removal of soluble waste materials
egestion
the removal of non-soluble waste materials
secretion
the release of biosynthesized substances
homeostasis
maintaining the status quo
reproduction
producing more cells
movement
movement within or locomotion
irritability
snesing and responding to changes
biosynthesis
the process by which living organism produce larger molecules from smaller ones.