Natural Science CLEP(question n answers)2023 verified to pass

Natural Science CLEPcell - correct answer smallest unit of most living things organism - correct answer living thing prokaryotes - correct answer cells that lack a membrane-bound nucleus and membrane-bound organelles organelles - correct answer small structures in the cytoplasm of a cell that do special jobs eukoryotic cells - correct answer has a nucleus, has organelles or other cell parts virus - correct answer particle made up of DNA, RNA, protein, and in some cases lipids that can only replicate only by infecting living cells electron microscope - correct answer used to examine tiny cell organelles cell membrane - correct answer composed of a bilayer of lipids embedded with globular proteins endocytic vesicles - correct answer Formed when cell membrane surrounds a molecule outside the cell and ingests it microvilli - correct answer projections on cell membrane increase surface area cytoskeleton - correct answer provides structural support to a cell composed of microtubules, microfilaments, centrioles microtubules - correct answer hollow tubes of protein about 25 nanometers in diameter, support the cell and moves organelles within the cell microfilaments - correct answer double-stranded chains of proteins which give structure to the cell centrioles - correct answer tubes, One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope; play a role in cell division. ribosomes - correct answer site of protein synthesis. Free ribosomes - float unattached; attached ribosomes - attached to the ER endoplasmic reticulum - correct answer 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 golgi apparatus - correct answer stores, packages and ships proteins secretory vesicles - correct answer packaged protein or other substance produced by golgi apparatus/endoplasmic reticulum exocytosis - correct answer process by which a cell releases large amounts of material lysosomes - correct answer cell organelle filled with enyzmes need to break down certain materials in the cells mitochondria - correct answer Powerhouse of the cell, organelle that is the site of ATP (energy) production cristae - correct answer numerous folds in the inner membrane of a mitochondrion, the site of cellular respiration