Biology 111 - Test 2

Weeks 5-8.  

43 cards   |   Total Attempts: 189
  

Cards In This Set

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_______ is any of several membrane enclosed structures with specialized functions w/in eukaryotic cells.
Organelles.
The seperation of cell parts by centrifugation - breaks apart major organelles.
Cell Fraction.
Cell lacking membrane-enclosed nucleus/organelles. (bacteria, archaea)
Prokaryotic Cell. (simple cells)
Cell with membrane-enclosed nucleus/organelles. (protists, plants, fungi, animals)
Eukaryotic Cell. (big cells)
Selectively-permeable layer that encompasses cell. Made of phospholipid bilayers.
Plasma Membrane.
The chromosome containing organelle of a eukarytic cell. Also contains most the cells DNA.
Nucleus.
What is the Nuclear Envelope?
A double membrane that encloses the nucleus.
What is the Nucleolus?
A specialized structure in the nucleus where ribosomal RNA is synthesized.
What is a Nuclear Lamina?
Net-like array of protein filaments lining inner surface of Nuclear Envelope that helps maintain structure.
Genetic material complsed of DNA and protein. (unwound and not visible as individual shapes when not in use)
Chromatin.
Protein synthesizer, located free in cytosol or bound to Endoplasmic Reticulum (ER).
Ribosomes.
Collection of membranes inside and around eukaryotic cells. (Smooth ER, Rough ER, Golgi Apparatus, Lysosomes, Vacuoles)
Endomembrane System.
What are Glycoproteins?
Proteins with 1+ carbohydrate covalently bonded.
What is a Transport Vesicle?
Tiny membraneous sac in a cell's cytoplasm carrying molecules produced by cell.
Extensive membraneous network in eukaryotic cells that is continuous with outer membrane.
Endoplasmic Reticulum (ER).