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5 Written questions

5 Matching questions

  1. mitochondrion
  2. cilium
  3. ribosome
  4. cell
  5. actin filament
  1. a in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration, which produces ATP
  2. b muscle 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
  3. c the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm
  4. d small particle in the cell on which proteins are assembled; made of RNA and protein
  5. e 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 Multiple choice questions

  1. one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function
  2. The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus
  3. A coiled, spiral-shaped bacterium that has endoflagella and flexes as it moves.
  4. A membrane-enclosed sac occupying most of the interior of a mature plant cell, having diverse roles in reproduction, growth, and development.
  5. aerobic rod-shaped spore-producing bacterium

5 True/False questions

  1. spirillumA type of bacterial cell with a rigid spiral shape and external flagella.


  2. rough endoplasmic reticulumA 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. secretionelongated, hollow appendages that pull 2 cells together prior to DNA transfer from one cell to the other found in bacterium


  4. nucleoidRegion in prokaryotic cell where DNA is concentrated, not enclosed by membrane


  5. nuclear poredouble membrane perforated with pores that control the flow of materials in and out of the nucleus


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