BIO 181 Lecture 1.4

Lecture 1.4: Foundations of Life


Human beings are walking, talking biochemical reactors that can think. What are the biochemicals out of which we are made, and how did they arise on the early Earth?


  1. Read Sections 2.4 and 2.5 in the textbook.
  2. Read Chapter 3 of the textbook.
  3. Read Chapter 4 of the textbook.
  4. Download Lecture 1.4 slides.
  5. Do one of the following:
    1. In-person section: Attend Lecture 1.4.
    2. Online section: Watch the following videos:
      1. Video 1.4.1, Chemical Evolution.
      2. Video 1.4.2, Polypeptides.
      3. Video 1.4.3, Nucleic Acids.
  6. Complete the questions on Study Guide 1.4.


After completing the activities, log into Canvas, launch BIO 181 and complete Lec 1.4 Quiz.

Figures for quiz

For those of you having trouble viewing the figures on Canvas, I am posting them here.

Question 6:

Question 7:

Question 9:

Question 11:

Question 12:

This entry was posted in BIO 181. Bookmark the permalink.