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5 Written questions

5 Matching questions

  1. Chromosome
  2. Nuclear envelope
  3. Plasma membrane
  4. Phospholipid bilayer
  5. Nucleus
  1. a Also known as a cell membrane, the cell's outer boundary.
  2. b The double membrane that surrounds the nucleus of a eukaryotic cell.
  3. c A double layer of phospholipids that makes up plasma and organelle membranes.
  4. d In physical science, an atom's central region, which is made up of protons and neutrons.
  5. e In a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein, in a prokaryotic cell, the main ring of DNA.

5 Multiple choice questions

  1. A rigid structure that supports the cell membrane and provides support to the cell.
  2. A cell organelle composed of RNA and protein; the site of protein synthesis.
  3. The part of the eukaryotic nucleus where ribosomal RNA is synthesized.
  4. A 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.
  5. An organelle that is composed of two short microtubules at right angles to each other and that has an active role in mitosis.

5 True/False questions

  1. MitochondrionIn eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of the cellular respiration, which produces ATP.


  2. Golgi apparatusGroup of organs that accomplish related tasks.


  3. Central vacuoleIn some protests an din most plan cells, a large, fluid-filled organelle that stores water, enzymes, metabolic wastes, and other materials.


  4. MicrotubuleA fiber found inside eukaryotic cells that is composed mainly of the protein actin and that has a role in cell structure and movement.


  5. CiliumA hairlike structure arranged in tightly packed rows that projects from the surface of some cells.