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5 Written questions

5 Matching questions

  1. nucleoid
  2. smooth endoplasmic reticulum
  3. cell envelope
  4. rough endoplasmic reticulum
  5. chromatin
  1. a System of internal membranes within the cytoplasm. Membranes have the presence of ribosomes; functions in transport of substances such as proteins within the cytoplasm
  2. b A network of membranes inside eukarytoic cells invovled in lipid synthesis (steroid in gonads), detoxification (in liver cells), and/or Ca2+ storage (muscle cells); lacks ribosomes on the surface
  3. c in a prokaryotic cell, the portion composed of the plasma membrane, the cell wall and the gycocalyx
  4. d Region in prokaryotic cell where DNA is concentrated, not enclosed by membrane
  5. e The complex of DNA and proteins that makes up a eukaryotic chromosome. When the cell is not dividing, it exists as a mass of very long, thin fibers that are not visible with a light microscope.

5 Multiple choice questions

  1. A stacked portion of the thylakoid membrane in the chloroplast; functions in the light reactions of photosynthesis.
  2. The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus
  3. strong wall outside a plant cell's plasma membrane that protects the cell and maintains its shape
  4. A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles; found only in the domains Bacteria and Archaea.
  5. A short cellular appendage specialized for locomotion, formed from a core of nine outer doublet microtubules and two inner single microtubules ensheathed in an extension of plasma membrane.

5 True/False questions

  1. inclusion bodyin a bacterium, stored nutrients for later use

          

  2. coccusany spherical or nearly spherical bacteria

          

  3. actin filamentmuscle protein filament in a sarcomere; its movement shortens the sarcomere, yielding muscle contraction. Actin filaments play a role in the movement of the cell and its organelles

          

  4. bacillusA short cellular appendage specialized for locomotion, formed from a core of nine outer doublet microtubules and two inner single microtubules ensheathed in an extension of plasma membrane.

          

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