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5 Written questions

5 Matching questions

  1. stroma
  2. cell theory
  3. eukaryotic cell
  4. cytoplasm
  5. Vacuole
  1. a A membrane-enclosed sac that is part of the endomembrane system of a eukaryotic cell, having diverse functions.
  2. b The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water; Sugars are made in the stroma by the enzymes of the Calvin cycle.
  3. c A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles. All organisms except bacteria and archaea are composed of eukaryotic cells.
  4. d The theory that all living things are composed of cells and that all cells come from other cells.
  5. e Everything inside a cell between the plasma membrane and the nucleus; consists of a semifluid medium and organelles.

5 Multiple choice questions

  1. A microscope that uses an electron beam to study the surface architecture of a cell or other specimen.
  2. A macromolecule consisting of one or more polypeptides linked to short chains of sugars.
  3. Makes RNA into DNA
  4. A network of interconnected membranous sacs in a eukaryotic cell's cytoplasm. Rough ER membranes are studded with ribosomes that make membrane proteins and secretory proteins.
  5. A network of membranes inside and around a eukaryotic cell, related either through direct physical contact or by the transfer of membranous vesicles.

5 True/False questions

  1. endoplasmic reticulum (ER)An extensive membranous network in a eukaryotic cell, continuous with the outer nuclear membrane and composed of ribosome-studded (rough) and ribosome-free (smooth) regions.


  2. nuclear envelopeA double membrane, perforated with pores, which encloses the nucleus and separates it from the rest of the eukaryotic cell.


  3. transmission electron microscopeA microscope that uses an electron beam to study the surface architecture of a cell or other specimen.


  4. VesicleA sac made of membrane in the cytoplasm of a eukaryotic cell.


  5. peroxisomeA threadlike, gene-carrying structure found in the nucleus of a eukaryotic cell and most visible during mitosis and meiosis; also, the main gene-carrying structure of a prokaryotic cell. Chromosomes consist of chromatin, a combination of DNA and protein.


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