Question Answer
Cell Theory One of the first unifying concepts in biology that states.All organisms are made of cells.All existing cells are produced by other living cells.The cell is the most basic unit of life
Cytoplasm A jellylike substance that contains small molecular building blocks- such as proteins, nucleic acids, minerals, and ions.
Organelle Structures specialized to perform unique tasks within a cell.
Prokaryotic cell Cells that do not have a nucleus or other membrane bound organelles. Instead, the cell's DNA is suspened into the cytoplasm
Eukaryotic cell Cells that have a nucleus and other membrane bound organelles. The nucleus encloses the genetic information
Cytoskeleton A flexible network of proteins that provide structural support for the cell.
Nucleus The storehouse for most genetic information, or DNA
Endoplasmic reticulum an interconnected network of thin, folded, membranes.
ribosome Tiny organelles that link amino acids to form proteins.
Golgi apparatus Consists of closely layered stacks of membrane enclosed spaces that process, sort, and deliver proteins
vesicle A general name to describe small, membrane-bound sacs that divide some materials from the rest of the cytoplasm and transport these materials from place to place within a cell.
mitochondrion supply energy to the cell
vacuole A fluid filled sac used for the storage of materials needed by a cell.
lysosome A membrane bound organelle that contains enzymes
centriol Cylinder shaped organelles made of short microtubules arranged in a circle
cell wall A rigid layer that gives protection
chloroplast organelles that carry out photosynthesis
Cell membrane Forms a boundry between a cell and the outside environment and controls the passage of materials into and out of a cell
phospholipid A molecule composed of three basic parts.a charged phosphate group.glycerol.two fatty acids
fluid mosaic model Describes the arrangement of the molecules that make up a cell membrane
selective permeability Allowing some, but not all materials to cross
receptor a protein that detects a signal molecule that performs an action in response
Bio vocab 3

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