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MERLOT II


    

Peer Review


Actin-myosin crossbridge animation

by Jeff Sale
 

Ratings

Overall Rating:

5 stars
Content Quality: 5 stars
Effectiveness: 5 stars
Ease of Use: 5 stars
Reviewed: Feb 20, 2001 by Biology Editorial Board
Overview: The animation shows the interaction of actin, myosin, tropomyosin, ATP, Ca, Mg and troponin. The animation panel can run continuously to repeatedly show the events. A definitions panel provides a key to the molecules involved in this complex process of skeletal muscle contraction. It can be downloaded and played as a standalone. This animation of cross-bridge formation and sliding filaments graphically shows the molecules involved.

Evaluation and Observation

Content Quality

Rating: 5 stars
Strengths: (5) (5) = 5

  • Well organized and easy to navigate.
  • Thorough coverage of relevant concepts
  • Listing of all molecules of relevance
Concerns: Ability to control speed, ability to enlarge image, and links to text description of molecules would be helpful

Potential Effectiveness as a Teaching Tool

Rating: 5 stars
Strengths: (4) (5) = 4.5

  • Quizzes provide students with additional information when answers are incorrect.
  • Helps students identify basic concepts.
Concerns:

Ease of Use for Both Students and Faculty

Rating: 5 stars
Strengths: (5) (4) = 4.5

  • Clear, logical, and easy to use interface.
  • Has appropriate vocabulary terms that are clearly defined Key and linked directly to glossary with audio pronunciation files.
  • Interactive (to a degree)
Concerns: