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Anatomy and Physiology Course Lesson 2.3: DNA, protein synthesis and cell specialization.

Austin Mandeville MHS, NRP
Oct 7, 2026
75–105 min including topic learning materials
Anatomy and Physiology Course Lesson 2.3: DNA, protein synthesis and cell specialization.
Image credit: Pixabay: Monoar_CGI_Artist

PHA LEARNING PRIMER · 02.3

Connect genetic instructions to cellular function

Distinguish DNA replication, transcription, and translation. Explain how gene expression supports specialization and how cells organize into tissues.

Focus for this topic

  • Distinguish DNA replication, transcription, and translation.
  • Explain how gene expression supports specialization and how cells organize into tissues.

Recommended study time: 75–105 minutes. Objective: AP-M02-02.

Your study sequence

Use Next to continue through the PHA Learning Guide and textbook readings in this topic. Work through the pages in order and connect the examples to the topic’s learning goals. Planning estimates are flexible; work at your own pace.

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