Term
|
Definition
| Hollow tubes made of tubulin that function in maintaining cell shape, forming cilia and flagella, and resist compression forces. |
|
|
Term
|
Definition
| Cytoskeleon element made of actin that is involved in cytoplasmic streaming and resisting tension forces. |
|
|
Term
|
Definition
| Cytoskeleon element that makes up the nuclear lamina and helps fix organelles in place. |
|
|
Term
|
Definition
| A network of protein fibers OUTSIDE the plasma membrane of animal cells. |
|
|
Term
|
Definition
| Channels between plant cells that allow movement of molecules freely between the two cells. |
|
|
Term
|
Definition
| An intercellular junction that creates a barrier preventing movement of molecules between cells. |
|
|
Term
|
Definition
| An intercellular junction that helps adhere cells to one another, reducing the gap between them. |
|
|
Term
|
Definition
| An intercellular junction between animal cells allowing quick movement of molecules from one cell to the other (ex. heart muscle cells). |
|
|
Term
|
Definition
| The property of a molecule having both hydrophyllic and hydrophobic regions. |
|
|
Term
|
Definition
| A steroid (lipid) involved in maintaining the fluidity of the plasma membrane. |
|
|
Term
|
Definition
| A protein that is associated with one side of the lipid bilayer of a plasma membrane. |
|
|
Term
|
Definition
| A protein that is embedded within the plasma membrane. |
|
|
Term
|
Definition
| Protein + Carbohydrate. Involved in cellular identification/cell-to-cell communication. |
|
|
Term
|
Definition
| Lipid + Carbohydrate. Involved in cell-to-cell communication. |
|
|
Term
|
Definition
| A transport protein that acts as a selective pore within a plasma membrane. |
|
|
Term
|
Definition
| A transport protein that changes it's shape to facilitate movement of molecules across a plasma membrane. |
|
|
Term
|
Definition
| Proteins that are able to lower the activation energy of a reaction to make it more favorable. |
|
|
Term
|
Definition
| A form of transport that requires no energy input (ex. diffusion). |
|
|
Term
|
Definition
|
|
Term
|
Definition
| If a cell containing a concentration of 1.5 M NaCl is placed in a solution with 1 M NaCl and 3M glucose (which is permiable to the cell), what is the tonicity of the solution? |
|
|
Term
|
Definition
| If a cell containing a concentration of 1.5 M NaCl is placed in a solution with 1 M NaCl and 3M glucose (which is permiable to the cell), what is the tonicity of the cell? |
|
|
Term
|
Definition
| A type of transport that requires energy to move molecules up it's concentration gradient. |
|
|
Term
|
Definition
| A type of membrane transport through a protein. |
|
|
Term
|
Definition
| The voltage difference across a plasma membrane. |
|
|
Term
|
Definition
A type of transport that requires:
1. the building of a chemical gradient
2. the use of that gradient to move another molecule across the membrane. |
|
|
Term
|
Definition
| Forming a vesicle from the plasma membrane, bringing in large molecules to be digested by the cell. |
|
|
Term
|
Definition
| Fusing an internal vesicle with the plasma membrane to secrete molecules outside the cell. |
|
|
Term
|
Definition
| Creating a vesicle from the plasma membrane to bring extracellular fluid with some small solutes into the cell. |
|
|
Term
|
Definition
| The sum of all chemical reactions in a living organism. |
|
|
Term
|
Definition
| Reactions that break down molecules. |
|
|
Term
|
Definition
| A type of reaction that releases energy. |
|
|
Term
|
Definition
| A reaction that builds molecules. |
|
|
Term
|
Definition
| A type of reaction that requires an energy input. |
|
|
Term
|
Definition
| Energy shuttle molecule of the cell. |
|
|
Term
|
Definition
| The amount of energy required to start a chemical reaction. |
|
|
Term
|
Definition
| A enzyme inhibitor that binds directly to the active site. |
|
|
Term
|
Definition
| An enzyme inhibitor that binds to a place other than the active site. |
|
|
