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Bio 355-Organelles
Organelles
16
Biology
Undergraduate 3
04/05/2009

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Term
Plasma Membrane
Definition
boundary between interior of cell and extracellular environ.
-proteins+lipids+carbs
Term
Ribosomes
Definition
protein synthesis from the genetic info on mRNA
made of rRNA
Term
Nuclear Membrane
Definition
encloses nucleus
contains nuclear pores
Term
Chromatin
Definition
composes the chromosomes
carries genes
DNA + Histones
Term
Rough ER
Definition
contains ribosomes that makes proteins that are exported/secreted or remain on membrane
Term
Smooth ER
Definition
lipid (fats,oils,wax...) synthesis
different type of proteins, no ribosomes
Term
Ribosomes in Rough ER
Definition
transported to cell surface or excreted out of the cell
Term
Free Ribosomes
Definition
for proteins meant for nucleus or cytoplasm
Term
Lysosome
Definition
breaks down macromolecules
Term
Golgi Complex
Definition
processing plant where proteins, newly synthesized in the ER, are modified in specific ways
Term
Peroxisome
Definition
oxidation of lipids
Term
Microtubules
Definition
structure
transports materials w/in the cell
involved in cell movement
Term
Glycolysis
Definition
Glucose to Pyruvate
doesn't require oxygen
Term
Nucleolus
Definition
ribosome assembly and production
Term
Mitochondria
Definition
making lots of ATP
Term
Chloroplast
Definition
location of photosynthesis
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