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5 Written questions

5 Matching questions

  1. 3.D.2.
  2. 3.C.2
  3. 2.A.1.
  4. 2.A.2.
  5. 2.C.3.
  1. a Cells communicate with each other through direct contact with other cells or from a distance via chemical signaling.
  2. b All living systems require constant input of energy.
  3. c Organisms capture, use, and store energy in biological processes such as growth, reproduction and maintaining homeostatic processes.
  4. d Organisms constantly respond to changes in their external environments.
  5. e Biological systems possess multiple mechanisms that increase genetic variation.

5 Multiple choice questions

  1. Organisms use negative feedback mechanisms to maintain their internal environments and respond to external environmental changes.
  2. Biological systems are affected by disruptions to their homeostasis.
  3. Interactions between molecules affect their structure and function.
  4. Viruses reproduce and can introduce genetic variation into their hosts.
  5. Organisms exhibit complex properties due to interactions between their constituent parts.

5 True/False questions

  1. 2.B.2.Growth and dynamic homeostasis is maintained by the constant movement of molecules across membranes.


  2. 3.A.4DNA, and in some cases RNA, is the primary source of heritable information.


  3. 4.C.1.Positive feedback mechanisms amplify responses and processes in biological organisms.


  4. 4.C.2.Interactions of subcellular structures, including a repertory of eukaryotic organelles possessing specialized functions, provide essential cellular functions and activities.


  5. 3.E.1.Organisms exchange information with each other in response to internal changes and external cues, which may change behavior.


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