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DNA Replication

DNA replication involves the separation of the two strands of the double helix, with each strand serving as a template from which the new complementary strand is copied.  After replication, each double-stranded DNA includes one parental or “old” strand and one “new” strand. This is known as semiconservative replication. The resulting DNA molecules have the same sequence and are divided equally into the two daughter cells.
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Updated: Jul 15, 2026

Improving Student Outcomes with an Adaptable Molecular Cloning Course-Based Undergraduate Research Experience
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Who buys textbooks online: a replication.

David Lester1, Bijou Yang

  • 1Psychology Program, The Richard Stockton College of New Jersey, P.O. Box 195, Jimmie Leeds Road, Pomona, NJ 08240-0195, USA.

Psychological Reports
|April 25, 2007
PubMed
Summary

Computer anxiety and computer/Internet skills influence online textbook purchases among students. These factors were key predictors in a study of 71 learners regarding their digital purchasing behaviors.

Area of Science:

  • Educational Technology
  • Digital Learning Environments

Background:

  • Student purchasing behaviors for academic materials are evolving with digital integration.
  • Understanding factors influencing online procurement is crucial for educational institutions and retailers.

Purpose of the Study:

  • To investigate the predictive relationship between student computer anxiety and computer/Internet skills on online textbook purchasing decisions.
  • To identify key psychological and technical factors influencing e-commerce adoption in academic settings.

Main Methods:

  • A quantitative study involving 71 students was conducted.
  • Statistical analysis was employed to determine the predictive power of computer anxiety and skill levels on purchasing behavior.

Main Results:

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  • Both computer anxiety and computer/Internet skills significantly predicted whether students purchased textbooks online.
  • Higher computer/Internet skills and potentially lower anxiety correlated with increased online purchasing.

Conclusions:

  • Student proficiency and comfort with technology are critical determinants of online textbook acquisition.
  • Educational strategies should address computer anxiety and enhance digital literacy to support online learning resource access.