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5 Written questions

5 Matching questions

  1. 4.A.3.
  2. 2.C.1.
  3. 3.A.3
  4. 4.A.4.
  5. 2.A.1.
  1. a Interactions between external stimuli and gene expression result in specialization of cells, tissues, and organs.
  2. b All living systems require constant input of energy.
  3. c Positive feedback mechanisms amplify responses and processes in biological organisms.
  4. d Organisms exhibit complex properties due to interactions between their constituent parts.
  5. e Mendelian genetics provides a basic understanding of the underlying causes of the pattern traits from parent to offspring.

5 Multiple choice questions

  1. Changes in genotype can result in changes in phenotype.
  2. A variety of intercellular and intracellular signal transmissions mediate gene expression.
  3. Cells communicate with each other through direct contact with other cells or from a distance via chemical signaling.
  4. Organisms must exchange matter with the environment to grow, reproduce, and maintain organization.
  5. Viruses reproduce and can introduce genetic variation into their hosts.

5 True/False questions

  1. 2.C.3.Organisms use negative feedback mechanisms to maintain their internal environments and respond to external environmental changes.


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


  3. 3.E.1.Timing and coordination of several events are necessary for the normal development of an organism, and these events require regulation by multiple mechanisms.


  4. 4.B.1.Interactions between molecules affect their structure and function.


  5. 2.B.3.Eukaryotic cells maintain internal membranes that partition the cell into specialized regions.