| A | B |
|---|
| nucleoid | found in prokaryotes; area where DNA is replicated |
| nucleus | found in eukaryotes; where DNA is replicated |
| nuclear envelope | membrane that covers the nucleus |
| nucleolus | dark area within the nucleus where ribosomes are made |
| plasma membrane | regulates what goes in and out of the cell |
| cell wall | a rigid layer found in plant cells, bacterial cells, and fung |
| ribosomes | involved in protein synthesis |
| rough endoplasmic reticulum (ER) | a highly folded membrane that functions in the synthesis, transport, of proteins |
| smooth endoplasmic reticulum (SER) | involved in the synthesis of lipids and detoxification of substances |
| golgi complex | final modification and packaging of lipids and proteins |
| lysosome | digestion of molecules and wastes |
| mitachondria | converts glucose to ATP for energy |
| chloroplast | found in plant cells; uses light to make sugar |
| central vacuole | found in plant cells; stores water |
| microfilament or microtubules | fiber that reinforces cell shape or motility |
| flagellum | used in cell motility |
| capsule | sticky coating found on some bacteria |
| cytosol | liquid portion within the cell |
| organelles | membrane bound tiny bodies found within eukaryotic cells |
| prokaryotes | bacteria; do not have organelles |
| eukaryotes | cells that have a true nucleus and organelles |
| phospholipids | lipid molecules that comprise the cell membrane |
| surface area to volume ratio | controls the largest size a cell can be |
| chromatin | DNA and proteins found in chromosomes |
| vesicle | small, membrane-bound compartments that transfer substances within a cell |
| peroxisomes | microbodies that produce hydrogen peroxide |
| microbodies | associated with mitachondria; start preparatory reactions |
| cytoskeleton | scaffolding within a cell |
| plastid | organelles in plants that contain pigments or starch, including chloroplasts |
| plasmodesmata | channels within the cell wall of adjoining plant cells |
| gap junctions | open, direct channels between animal cells |
