Natural Science CLEP / Study Guide Questions with Definitive Solutions.Stretch your brain before your first study session Learn / Study with Learn smallest unit of most living things Choose matching term 1cell2endosymbiont hypothesis 3mitochondria4electron microscope Don't know?cellsmallest unit of most living things organismliving thing prokaryotes cells that lack a membrane-bound nucleus and membrane-bound organelles 1 / 2
Terms in this set (95) organellessmall structures in the cytoplasm of a cell that do special jobs eukoryotic cellshas a nucleus, has organelles or other cell parts virusparticle made up of DNA, RNA, protein, and in some cases lipids that can only replicate only by infecting living cells electron microscope used to examine tiny cell organelles cell membranecomposed of a bilayer of lipids embedded with globular proteins endocytic vesicles Formed when cell membrane surrounds a molecule outside the cell and ingests it microvilliprojections on cell membrane increase surface area cytoskeletonprovides structural support to a cell composed of microtubules, microfilaments, centrioles microtubuleshollow tubes of protein about 25 nanometers in diameter, support the cell and moves organelles within the cell microfilamentsdouble-stranded chains of proteins which give structure to the cell centriolestubes, One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope; play a role in cell division.ribosomessite of protein synthesis. Free ribosomes - float unattached; attached ribosomes - attached to the ER endoplasmic reticulum an internal membrane system in which components of cell membrane and some proteins are constructed. rough - instrumental in protein synthesis; smooth processes lipids fats and steroids
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