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5 Written questions

5 Matching questions

  1. Microfilament
  2. Eukaryote
  3. Cilium
  4. Organ system
  5. Cytosol
  1. a Group of organs that accomplish related tasks.
  2. b A hairlike structure arranged in tightly packed rows that projects from the surface of some cells.
  3. c The soluble portion of the cytoplasm, which includes molecules and small particles, such as ribosomes, but not the organelles covered with membranes.
  4. d A fiber found inside eukaryotic cells that is composed mainly of the protein actin and that has a role in cell structure and movement.
  5. e An organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle; eukaryotes include animals, plants, and fungi but not bacteria or archaea.

5 Multiple choice questions

  1. A single-celled orangism that has no nucleus and has no membrane-bound organelles; examples include bacteria and archaea.
  2. The cytoplasmic network of protein filaments and tubes that plays an essential role in cell movement, shape, and division.
  3. In physical science, an atom's central region, which is made up of protons and neutrons.
  4. In biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm.
  5. The theory that states all living things are made up of one or more cells, that cells are the basic units of organisms, that each cell in a multicellular organism has a specific job, and that cells come only from existing cells.

5 True/False questions

  1. ChloroplastA type of hydrocarbon in which some or all of the hydrogen atoms are replaced by chlorine and fluorine; used in coolants for refrigerators and air conditioners and in cleaning solvents.


  2. RibosomeA cell organelle that contains digestive enzymes and that buds from the Golgi apparatus.


  3. LysosomeA cell organelle composed of RNA and protein; the site of protein synthesis.


  4. NucleolusIn physical science, an atom's central region, which is made up of protons and neutrons.


  5. Phospholipid bilayerA double layer of phospholipids that makes up plasma and organelle membranes.