| A | B |
| endoplasmic reticulum | extensive network of folded membranes that performs several tasks w/in a cell |
| rough er | ER that is dotted with ribosomes |
| smooth er | ER that has no ribosomes |
| leucoplasts | store starches or oils |
| chromoplasts | contain pigment used in photosynthesis |
| central vacuole | large vacuole at center of most plant cells-filled with high concentration of solutes |
| waste vacuole | contain waste products of digestion |
| phagocytosis | process by which a cell engulfs foreign sustances or other cells |
| phagocytic vacuole | vacuole that holds the matter that the cell engulfs |
| pinocytic vesicle | formed at the plasma membrane to allow absorbtion of large molecules |
| secretion vesicle | holds secretion products that are to be transported to the plasma membrane for release |
| microtubles | spiral strands of protein molecules that form a tubelike structure |
| nuclear membrane | highly porous membrane that separates the nucleus from the cytoplasm |
| chromatin | clusters of DNA and RNA and proteins in the nucleus of a cell |
| cytoskeleton | network of fibers that holds the cell together, to keep its shape and facilitate movement |
| microfilaments | fine threadlike proteins in cell's cytoplasm |
| intermediate filaments | threadlike proteins roughly twice as thick as microfilaments |
| phospholipid | lipid where one fatty acid molecule has been replaced by a phosphate group |
| hydrolic end | loves water |
| hydrophopic end | like cats it fears water |