GE 258 CH 3 Word Scramble
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Question | Answer |
material between plasma membrane and the necleus | cytoplasm |
largely water with dissolved protein, salts, sugars, and other solutes | cytosol |
metabolic machinery of the cell | cytoplasmic organelles |
chemical substances such as glycosomes, glycogen granules, and pigment | glycosomes |
provides most of the cell's ATP | mitochondria |
site of protein synthesis | ribosomes |
interconnected tubes and parallel membranes enclosing cisternae | Endoplasmic Reticulum |
manufactures all secreted proteins | Rough ER |
catalyzes reactions in various organs of the body (detoxification of drugs) | Smooth ER |
functionsin modification, concentration, and packaging of proteins | golgi apparatus |
spherical membranous bags containing diegestive enzymes | lysosomes |
demolition crew | lysosomes |
memberanous sacs containing oxidases and catalases | perioxisomes |
detoxify harmful or toxics substances | perioxisomes |
neutralize dangerous free radicals | perioxisomes |
the "skeleton" of the cell | cytoskeleton |
consists of microtubules, microfilaments, and intermediate filaments | cytoskeleton |
dynamic strands of the protein actin | microfilaments |
help form desmosomes (junctions between cell) | intermediate filaments |
dynamic, hollow tubes made of the spherical protein tubulin | microtubules |
determines the overall shape of the cell and distribution oforganelles | microtubules |
dark-staining spherical bodies within the nucleus responsible for the production of ribosomes | nucleoli |
composed of phingolipids and cholesterol | lipid rafts |
are concentrating plateforms for cell-signaling molecules | lipid rafts |
impermeable junction that encircles the cell | tight junctions |
anchoring junction scattered along the sides of the cells | desmosome |
a nexus that allows chemical substances to pass between cells | gap junction |
anchors cells to the extracellular matrix | Cell Adhesion Molecules (CAMs) |
assist in movement of cells past one another | Cell Adhesion Molecules (CAMs) |
diffues nonpolar and lipid-soluble substances | simple |
transport of glucose, amino acids, and ions | facilitated diffusion |
total concentration of solute particles in a solution | osmolarity |
how a solution affects cell colume | tonicity |
solutions with the same solute concentration as that of the cytosol | isotonic |
solutions having greater solute concentration than that of the cytosol | hypertonic |
solutions having lesser solute concentration that that of the cytosol | hypotonic |
____ is valuable and less avaliable | K+ |
Sodium-Potassium Pump: Net ratio | 3Na out of cell 2K into the cell |
transport of large particles and macromolecules across plasma membranes | vesicular transport |
moves substance from the cell interior to the extracellular space | exocytosis |
enables large particles and macromolecules to enter the cell | endocytosis |
threadlike strands of DNA and histones | chromatin |
cell cycle contains ___ phases | two |
two phases of cell cycle | 1. interphase 2. mitiotic phase |
___ untwists the double helix and exposes complementary strands | helicase |
___ uses RNA primers to begin DNA synthesis | replisome |
___ continues fromt he primer and covalently adds complementary necleotides to the template | DNA polymerase III |
nuclear division | Mitosis |
division of the cytoplasm | cytokinesis |
phases of mitosis | 1. propase 2. metaphase 3. anaphase 4. telophase |
formed in late anaphse by contractile ring | cleavage furrow |
Created by:
evang
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