That which requires cell to expand energy and goes up to concentration gradiant is _________.
Carrier proteins that serve in active proteins are ___________ __________ _______ because the move substances from lower to higher convcentrations.
Most energy neededto active transport is supplied by ___.
The _________-__________ _______ is a carrier protein thats transport Na+ ions and Ka+ ions up the concentration gradiant. It also maintains the concentration differences in some cells of a higher concentration of Na+ ions outside the cell and higher concentration of Ka+ ioons inside the cell.
Exchange of three Na+ ions for two Ka+ creates ______ ________ across membrane. where the outside becomes positvily charged and the inside negative.Important for nerve cells
Too large substances such as nutrients and macromules are too large and need __________ and ___________ to move in and out of cells.
Ingesting external floud, macromolecules, and large particles (including other cells) is __________________
Externel materials are enclosed by a portion of the cells membrane which folds into itself and forms a pouch. This pouch then pinches off and becomes a membrane bound organelle called a _________.
The transport of fluids is ____________
The movement of large particles or whole cells is _______ which is how many unicellular organisms feed.
Some cells use phagocytosis to ingest bacteria and viruses; these cells are called _____________ which allow lysosoomes to fuse wojth vesicles that contain ingested bacteria and viruses.
The process by which a substance is released from the cell through a vesicle that transports the subsance to the cell surface and then fuses with the membrane to let the substance out of the cell is ______________.