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5 Written questions

5 Matching questions

  1. cell theory
  2. cristae
  3. cytoskeleton
  4. plasmid
  5. plasma membrane
  1. a idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  2. b a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
  3. c Infoldings of the inner membrane of a mitochondrion that houses the electon transport chain and the enzyme catalyzing the synthesis of ATP.
  4. d thin outer boundary of a cell composed of a bilayer of phospholipids in which proteins are embedded that regulates the traffic of chemicals between the cell and its surroundings
  5. e a circular DNA molecule that is usually found in bacteria and that can replicate independent of the main chromosome

5 Multiple choice questions

  1. Photosynthetic, oxygen-producing bacteria (formerly known as blue-green algae).
  2. in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration, which produces ATP
  3. opening in the nuclear envelope that permits the passage of proteins into the nucleus and ribosomal subunits out of the nucleus
  4. A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Examples of organisms with these cells are protists, plants, fungi, and animals; organisms are in the Eukarya domain
  5. aerobic rod-shaped spore-producing bacterium

5 True/False questions

  1. secretionRegion in prokaryotic cell where DNA is concentrated, not enclosed by membrane


  2. plastidgroup of closely related plant organelles that are used for storage of starches, lipids, or pigments; includes chloroplasts, chromoplasts, and amyloplasts (leucoplasts).


  3. cytoplasmsemifluid medium of the nucleus containing chromatin


  4. chromatinA threadlike linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information


  5. nucleoplasmThe organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus


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