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5 Written questions

5 Matching questions

  1. cell division
  2. chromosome
  3. membrane junction
  4. isotonic solution
  5. metaphase
  1. a Second Stage of Cell division: Centromeres of duplicated chromosomes are aligned at plate. chromosomes become attached to spindle fibers
  2. b Cells are tightly bound, prevent fluids and most molecules from moving between cells. Useful in places such as the stomach and kidneys. types are desmosomes, tight junctions, and gap junctions
  3. c A threadlike, gene-carrying structure found in the nucleus. consists of one very long DNA molecule and associated proteins.
  4. d Process by which a cell divides into two new daughter cells
  5. e A solution in which the concentration of solutes is essentially equal to that of the cell which resides in the solution. examples interstitial fluid and intravenous solutions

5 Multiple choice questions

  1. Division of the cytoplasm during cell division after the cell nucleus has divided.
  2. Movement of molecules from an area of higher concentration to an area of lower concentration.
  3. A process that separates materials through a membrane based on the size of their particles.
  4. a gradient in concentration of a solute that molecules move down and the greater the difference in concentration between the two areas, the faster diffusion occurs. It is An increase or decrease in the density of a chemical substance in an area., A difference in concentration between two areas.
  5. Communicating Junctions; channels that allow small molecules to flow through protein-lined pores between cells. common in the heart and embryonic cells.

5 True/False questions

  1. protein synthesisDivision of the cytoplasm during cell division after the cell nucleus has divided.


  2. mitosisDiffusion of water through a selectively permeable membrane


  3. active transportEnergy-requiring process that moves material across a cell membrane against a concentration difference or gradient


  4. osmosisDiffusion of water through a selectively permeable membrane


  5. deoxyribonucleic acidnucleic acid found in all living cells: carries the organism's hereditary information.