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5 Written Questions

5 Matching Questions

  1. Golgi apparatus
  2. prokaryotic cell
  3. lysosome
  4. eukaryotic cell
  5. organelle
  1. a A type of cell lacking a membrane-enclosed nucleus and other membrane-enclosed organelles; found only in the domains Bacteria and Archaea.
  2. b 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.
  3. c A digestive organelle in eukaryotic cells; contains hydrolytic enzymes that digest the cell's food and wastes.
  4. d A membrane-enclosed structure with a specialized function within a cell.
  5. e An organelle in eukaryotic cells consisting of stacks of membranous sacs that modify, store, and ship products of the endoplasmic reticulum.

5 Multiple Choice Questions

  1. Everything inside a cell between the plasma membrane and the nucleus; consists of a semifluid medium and organelles.
  2. A long cellular appendage specialized for locomotion. The flagella of prokaryotes and eukaryotes differ in both structure and function. Like cilia, eukaryotic flagella have a 9 + 2 arrangement of microtubules covered by the cell's plasma membrane.
  3. An organelle found in plants and photosynthetic protists that absorbs sunlight and uses it to drive the synthesis of organic molecules (sugars) from carbon dioxide and water.
  4. (1) An atom's central core, containing protons and neutrons. (2) The genetic control center of a eukaryotic cell.
  5. A tiny membranous sac in a cell's cytoplasm carrying molecules produced by the cell. The vesicle buds from the endoplasmic reticulum or Golgi and eventually fuses with another membranous organelle or the plasma membrane, releasing its contents.

5 True/False Questions

  1. micrographA photograph taken through a microscope.

          

  2. scanning electron microscope (SEM)An instrument that focuses an electron beam through, or onto the surface of, a specimen. An electron microscope achieves a hundredfold greater resolution than a light microscope.

          

  3. granumA stack of hollow disks formed of thylakoid membrane in a chloroplast. Grana are the sites where light energy is trapped by chlorophyll and converted to chemical energy during the light reactions of photosynthesis.

          

  4. cristaA stack of hollow disks formed of thylakoid membrane in a chloroplast. Grana are the sites where light energy is trapped by chlorophyll and converted to chemical energy during the light reactions of photosynthesis.

          

  5. cell theoryA protective layer external to the plasma membrane in plant cells, bacteria, fungi, and some protists; protects the cell and helps maintain its shape.

          

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