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physiology chapter 2
| Question | Answer |
|---|---|
| microfilaments | tiny rods of protein that cause cellular movements |
| cytoplasm | mass of fluid that surrounds the nucleus |
| DNA | produces proteins |
| Cilia | tiny hair-like structures |
| golgi apparatus | package substances released from cell |
| mitochondria | powerhouse in form of energy |
| lysosomes | powerful digestive chemical that breaks down the waste products of cell |
| cell membrane | thin outer layer of the cell |
| ER | transport materials |
| vesicles | storage center of cell |
| microtubules | long tubes that forms internal skeleton |
| nucleus | directs the cell |
| interphase | cells growing and parts being duplicated |
| anaphase | centromeres separates and chromatids move to opposite sides |
| metaphase | chromosomes lines in middle |
| how many cell in adult human | 75 trillion |
| hypotonic solution | cause the cell to swell |
| smooth ER | making liquid molecutes |
| cell differentiation | cells in different characteristics and functions |
| diffusion | molecus spread from area high to low without help/energy |
| phagocytosis | cells take in solids from their surroundings |
| facilitated diffusion | moves from high to low concentration with help |
| hypertonic solution | cell to shrink |
| active transport | low concentration to high concentration |
| isotonic | cells stay the same |
| filtration | molecules forced through membranes |
| osmosis | diffusion of water |
| pinocytosis | cells in tiny droplets of liquid from their surroundings |
| cell membrane controls | what enters and what goes |
| interphase | cell spend most of it's life |
| passive transport used energy? | no |
| at the end of mitosis, does cell form identical? | yes |
| molecules are evenly spread when | equilibrium is reached |
| rough ER | makes proteins |
| organelle | living parts of the cell that performs a specific function |
| is osmosis a type of diffusion? | yes |
| filtration is caused by | blood pressure |
| do metabolic reactions take place in the cyptoplasm? | yes |
| common location for cila | lungs |
| water-soluble materials easily pass through the cell membrane? | no |