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BIOL1110 Eukaryotic Organelles
Exam 2
47
Biology
Undergraduate 1
10/05/2011

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Term
Brain of a cell
Definition
Nucleus
Term
Contains the genetic material for the cell
Definition
Nucleus
Term
Directs and dictates what proteins are to be produced
Definition
Nucleus
Term
Contains subunits called nucleoli
Definition
Nucleus
Term
Concentration regions of rRNA
Definition
Nucleoli
Term
Double layer containing pores
Definition
Nuclear membrane
Term
Outer layer is continuous with rough ER
Definition
Nuclear membrane
Term
Inner layer maintains shape of nucleus
Definition
Nuclear membrane
Term
Pores allow for regulation of large molecules into and out of the nucleus
Definition
Nuclear membrane
Term
Granular and contain protein and rRNA
Definition
Ribosomes
Term
What are the 2 types of ribosomes?
Definition
Free

Membrane bound
Term
Synthesize soluble proteins
Definition
Free ribosomes
Term
Synthesize membrane protein
Definition
Membrane bound ribosome
Term
Synthesize protein to be exported from the cell
Definition
Membrane bound ribosomes
Term
System of tubules and parallel membranes
Definition
Endoplasmic Reticulum
Term
Membrane is continues with nuclear membrane
Definition
Endoplasmic Reticulum
Term
What are the 2 types of Endoplasmic Reticulum?
Definition
rough

smooth
Term
Studded with ribosomes
Definition
Rough Endoplasmic Reticulum
Term
Has no embedded ribosomes
Definition
Smooth Endoplasmic Reticulum
Term
Manufacture all secreted proteins, membrane proteins, and phospholipids
Definition
Rough endoplasmic reticulum
Term
Manufactures enzymatic proteins specific to location
Definition
Smooth endoplasmic reticulum
Term
Stacked and flattened membranous sacs
Definition
Golgi apparatus
Term
Directs the distribution of items
Definition
Golgi aparatus
Term
Which organelle is only found in animal cells?
Definition
Lysosome
Term
Special membranous sacs filled with digestive enzymes
Definition
Lysosome
Term
Digest bacteria, viruses, toxins
Definition
Lysosome
Term
Degrades nonfunctional organelles
Definition
lysosome
Term
Breaks down and releases glycogen
Definition
Lysosome
Term
Can destroy entire cell if necessary
Definition
Lysosome
Term
Lysosome empties its contents directly into cell and digests it
Definition
Autolysis
Term
Membranes sac filled with oxidases and catalases
Definition
Peroxisome
Term
Power house of cell
Definition
Mitochondria
Term
Storage center
Definition
Vacuole
Term
DProduce most ATP in cell via cell respiration
Definition
Mitochondria
Term
Contains own DNA and can reproduce themselves
Definition
Mitochondria
Term
Carry out photosynthesis to make carbohydrates
Definition
Chloroplast
Term
Elaborate series of rods that act as the cell skeleton
Definition
Cytoskeleton
Term
Involved in cell motility, shape, endocytosis and exocytosis
Definition
Actin filament
Term
Tough insoluble rope like protein fibers
Definition
Intermediate filaments
Term
Resist pulling forces on a cell and attach at cell junction sites
Definition
Intermediate filaments
Term
Most are found radiating from centrosomes
Definition
Microtubules
Term
Determine cell's overall shape
Definition
Microtubules
Term
Provide a transit system for organelles
Definition
Microtubules
Term
Region of the cell with no distinct boundaries
Definition
Centrosome
Term
Directs mitotic spindle formation
Definition
Centrosome
Term
Tube formed by connected microtubules
Definition
Centriole
Term
Present in cilia and flagella
Definition
Centriole
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