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NAS 2: Foundations of Life Sciences

About the Course

Presents elementary biological and chemical principles for allied health students whose high school preparation is deficient in the biological sciences.


Lecture 2 hours.


Credits: 2

Course Details and Transfer Information


Advising Information:


Please note that NAS 2 is a developmental course that is pass (grade of 75% or better) or fail.  It is a prerequisite for BIO 141.  


How can a student be exempt from the NAS-2 prerequisite for BIO 141?

  • Provide a college transcript showing successful completion (grade of 80% or better) of a course equal to or equivalent to BIO 1, 100, 101, 141, 145 or NAS 2 course within the past 5 years. Students must submit TCC’s pre-requisite waiver form.

  • Provide a high school transcript demonstrating successful completion of an Advance Placement (AP) Biology course within the past 5 years, and a grade of 4 or 5 on the AP Biology exam. Students must submit TCC’s pre-requisite waiver form.

  • Successful completion of the NAS 2 challenge exam with a grade of 75% of higher. Please contact the TCC testing center for more information.


BIO 141/142 and NAS 2

NAS 2 Challenge Exam Study Guide

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