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71 Cards in this Set
- Front
- Back
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Has Na+-K+ ATPase
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What
is PLASMA MEMBRANE |
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Intercellular adhesion
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What
is PLASMA MEMBRANE |
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Intercellular communication
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What
is PLASMA MEMBRANE |
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Transport of molecules and ions into and out of cells
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What
is PLASMA MEMBRANE |
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Site of chromatin
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What
is NUCLEUS |
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Site of DNA-directed mRNA synthesis (transcription)
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What
is NUCLEUS |
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Site of DNA replication
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What
is NUCLEUS |
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Separates chromatin from cytoplasm
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What
is NUCLEAR ENVELOPE |
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Have complex pores that permit passage of proteins, ribosomal particles, mRNA, ions, etc.
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What
is NUCLEAR ENVELOPE |
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Disassembles during early prophase and reassembles during late anaphase
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What
is NUCLEAR ENVELOPE |
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Double membrane; outer membrane is contiguous with rough endoplasmic reticulum
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What
is NUCLEAR ENVELOPE |
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Everything enclosed by nuclear envelope
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What
is NUCLEOPLASM |
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Comprised of unraveled DNA molecules and various proteins
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What
is CHROMATIN |
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Present during interphase (between cell divisions)
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What
is CHROMATIN |
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Highly condensed DNA molecules and nuclear proteins
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What
are CHROMOSOMES |
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23 pairs in human body cells
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What
are CHROMOSOMES |
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Visible only shortly before and during cell division
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What
are CHROMOSOMES |
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Region of nucleoplasm
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What
is NUCLEOLUS |
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Has nucleolar organizer
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What
is NUCLEOLUS |
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Site of ribosomal RNA (rRNA) synthesis
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What
is NUCLEOLUS |
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Site of packaging of rRNA into ribonucleoprotein complexes that become ribosomal subunits
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What
is NUCLEOLUS |
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Synthesis of ribosomal subunits
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What
is NUCLEOLUS |
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Is larger in cells that synthesize proteins at a high rate
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What
is NUCLEOLUS |
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Enzymes of glycolysis
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What
is CYTOSOL |
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Fatty acid synthesis
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What
is CYTOSOL |
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Cytoplasm minus organelles and nonsoluble structures
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What
is CYTOSOL |
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Cellular inclusions (glycogen granules, lipid droplets)
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What
is CYTOSOL |
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Everything between nuclear envelope and plasma membrane
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What
is CYTOPLASM |
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Microfilaments
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What
is CYTOSKELETON |
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Microtubules
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What
is CYTOSKELETON |
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Intermediate filaments
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What
is CYTOSKELETON |
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Cilia, flagella, centrioles
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What
is CYTOSKELETON |
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Invovled in movements of cell, its organelles, and chromosomes
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What
is CYTOSKELETON |
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Comprised of one smaller particle subunit and one larger particle subunit
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What
is RIBOSOMES |
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Comprised of three molecules of rRNA and many proteins
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What
is RIBOSOMES |
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Site of protein synthesis (translation of mRNA into protein)
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What
is RIBOSOMES |
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Attach to mRNA to form polysomes
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What
is RIBOSOMES |
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Found "free" in cytosol or on surface of rough endoplasmic reticulum
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What
is RIBOSOMES |
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Labyrinthine membrane structure comprised of branching tubules and flattened sacs with ribosomes on outer surface
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Translation/synthesis of proteins for membranes and for secretion
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Signal peptide proteolysis
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Protein segregation
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Initial glycosylation of proteins
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Prominent feature of cells that synthesize proteins to be secreted
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Synthesis of most membrane lipids
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What
is ROUGH ENDOPLASMIC RETICULUM |
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Comprised of stack of flattened membranous sacs (cisternae) with small tubules and vesicles pinching off or fusing with cisternae
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What
is GOLGI COMPLEX |
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Terminal glycosylation of proteins and other post-translational changes of proteins
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What
is GOLGI COMPLEX |
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Phosphorylation and sulfation reactions
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What
is GOLGI COMPLEX |
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Concentration and sorting of materials for transport to other organelles or for secretion
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What
is GOLGI COMPLEX |
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Glycosylation of lipids
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What
is GOLGI COMPLEX |
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Initial proteolysis
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What
is GOLGI COMPLEX |
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Synthesis of some membrane lipids
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What
is GOLGI COMPLEX |
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Labyrinthine membrane structure comprised of branching tubules and flattened sacs with ribosomes on outer surface
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What
is SMOOTH ENDOPLASMIC RETICULUM |
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Contains enzymes for detoxification
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What
is SMOOTH ENDOPLASMIC RETICULUM |
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Synthesis of steroid and other non-membranous lipids
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What
is SMOOTH ENDOPLASMIC RETICULUM |
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Stores Ca2+ ions
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What
is SMOOTH ENDOPLASMIC RETICULUM |
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Has outer membrane and highly folded inner membrane (cristae)
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What
is MITOCHONDRIA |
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"Powerhouse" of cell
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What
is MITOCHONDRIA |
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Reactions of cellular respirations (exept for glycolysis)
(1) citric acid cycle (2) electron transport (3) oxidative phosphorylation (4) ATP synthesis |
What
is MITOCHONDRIA |
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Steroid synthesis
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What
is MITOCHONDRIA |
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Derived from prokaryotic cell that is symbiotic in eukaryotic cell
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What
is MITOCHONDRIA |
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Has circular DNA molecule and bacteria-like ribosomes
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What
is MITOCHONDRIA |
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Multiply by division
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What
is MITOCHONDRIA |
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Inherited from mother only
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What
is MITOCHONDRIA |
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Intracellular digestion
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What
are LYSOSOMES |
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Contain many hydrolases
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What
are LYSOSOMES |
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Lumen has acidic pH
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What
are LYSOSOMES |
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Fuses with phagosome to form phagolysosome
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What
are LYSOSOMES |
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Degradation of certain fatty acids and amino acids
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What
are PEROXISOMES |
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Production and degradation of hydrogen molecule
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What
are PEROXISOMES |
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Detoxification in liver and kidney
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What
are PEROXISOMES |
