Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Kinase |
Enzyme that catalyzes the transfer of a phosphate group from ATP to a specific amino acid side chain on a target protein |
Phosphate |
|
|
Phosphatase |
Enzyme that catalyzes the removal of a phosphate group from a protein |
|
|
|
Cyclic Nucleotide |
A single phosphate nucleotide with a cyclic bond arrangement between sugar and phosphate groups |
|
|
|
Ribose |
A pentose sugar that forms a bond with a phosphate group and a nitrogenous base to make RNA |
|
|
|
Deoxyribose |
A pentose sugar that forms a bond with a phosphate and a nitrogenous base to make DNA |
|
|
|
G-Protein |
A membrane bound GTP-binding protein involved in intracellular signaling. |
|
|
|
Phosphodiesterase |
An enzyme that breaks phosphodiester bonds |
|
|
|
Signal Transduction |
Conversion of an impulse or stimulus from one physical or chemical form to another, the process to which a cell responds to an extracellular signal |
|
|
|
Ras |
One of the large family of small GTP-binding proteins that helps relay signals from cell-surface receptors to the nucleus |
|
|
|
IP3 |
Inositol triphosohate is a secondary messenger molecule used in signal transduction. |
|
|
|
Calmodulin |
Small Ca+ binding protein that modifies the activity of many target proteins in response to Ca+ concentration |
CaM |
|
|
Microfilament |
Action filaments of the cytoskeleton |
|
|
|
Microtubules |
Long, stiff, cylindrical structure composed of the protein tubulin used to organize intracellular transport. |
|
|
|
Kinesin |
A large family of motor proteins that uses the energy of ATP hydrolysis to move toward the + end of a microtubule |
|
|
|
Dynein |
Motor protein that uses the energy of ATP hydrolysis to move to the - end of a microtubule |
|
|
|
Centrosome |
Microtubules organizing center that sits near the nucleus |
|
|
|
Centriole |
A cylindrical array of microtubules at the center of a centrosome |
|
|
|
Myosin I |
Consists of a single actin-binding head and a tail that can attach to other molecules or organelles |
|
|
|
Steroid |
Hydrophobic signal molecule related to cholesterol; can pass through the plasma membrane to interact with intracellular receptors that affect gene expression |
|
|
|
Hormone |
Extracellular signaling molecules that are secreted and transported through the blood stream to exert a specific effect |
|
|
|
Filopodium |
Long thin actin-containing extension on the surface of an animal cell |
|
|
|
Nuclear Lamina |
Fiberous layer on the inner surface of the inner nuclear membrane formed as a network of intermediate filaments made from nuclear lamins |
|
|
|
Cell Cortex |
Specialized layer of cytoplasm on the inner face of the plasma membrane that drives cell movement |
|
|
|
Cell Polarity |
Spatial differences in shape structure and function in cells which enable the cell to carry out specialized functions |
|
|
|
Dynamic Instability |
The rapid switching between growth and shrinkage down by microtubules |
|
|
|
Keratin Filament |
Class of intermediate filament abundant in epithelial cells |
|
