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5 Written questions

5 Matching questions

  1. 3.E.1.
  2. 2.B.3.
  3. 4.A.4.
  4. 2.B.1.
  5. 3.C.3
  1. a Organisms exhibit complex properties due to interactions between their constituent parts.
  2. b Cell membranes are selectively permeable due to their structure.
  3. c Eukaryotic cells maintain internal membranes that partition the cell into specialized regions.
  4. d Organisms exchange information with each other in response to internal changes and external cues, which may change behavior.
  5. e Viruses reproduce and can introduce genetic variation into their hosts.

5 Multiple choice questions

  1. Signal transduction pathways link signal reception with cellular response.
  2. Cell communication involves processes resulting from evolution that are shared common features.
  3. Growth and dynamic homeostasis is maintained by the constant movement of molecules across membranes.
  4. A variety of intercellular and intracellular signal transmissions mediate gene expression.
  5. Timing and coordination of several events are necessary for the normal development of an organism, and these events require regulation by multiple mechanisms.

5 True/False questions

  1. 2.C.1.Variation in molecular units provides cells with a wider range of functions.


  2. 2.D.3.Organisms constantly respond to changes in their external environments.


  3. 2.A.3.Organisms must exchange matter with the environment to grow, reproduce, and maintain organization.


  4. 2.C.2.Organisms use negative feedback mechanisms to maintain their internal environments and respond to external environmental changes.


  5. 3.A.1Cells can be activated, produce new products, and retain their activated state through gene regulation