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BIO301: Cell Biology

Unit 1: Review of Basic Concepts   This unit reintroduces concepts you learned in your introductory biology and chemistry courses. It should serve as a refresher for those of you who have not studied these concepts for some time.

Unit 1 Time Advisory
Completing this unit will take you approximately 3 hours.

☐    Subunit 1.1: 1 hour

☐    Subunit 1.2: 1.5 hours

☐    Assessment: 0.5 hours

Unit1 Learning Outcomes
Upon completion of this unit, you will be able to - identify the functions of major organic molecules; - understand hydrophilic and hydrophobic bonds and their respective roles in cells (particularly in terms of cell-membrane structure); - understand the four levels of protein structures and be able to identify which structure is referred to in a given example; and - understand the relationship between free energy and the direction of a reaction.

 

1.1 Biology   - Reading: National Center for Biotechnology Information's Bookshelf: Professor Geoffrey Cooper’s The Cell: A Molecular Approach, 2e: “The Molecular Composition of Cells” Link: National Center for Biotechnology Information's Bookshelf: Professor Geoffrey Cooper’s The Cell: A Molecular Approach, 2e: The Molecular Composition of Cells (HTML)
 
Instructions: Read this chapter, along with all associated figures (Figs. 2.1–2.21). It will cover the material in subunits 1.1.1–1.1.6.

 Reading this text and taking notes should take approximately 1
hour.  
    
 Terms of Use: Please respect the copyright and terms of use
displayed on the webpage above.

1.1.1 Amino Acids   This subunit is covered by the reading assigned beneath subunit 1.1. Focus specifically on the “Protein” section.

1.1.2 Four Levels of Protein Structures   This subunit is covered by the reading assigned beneath subunit 1.1. Focus specifically on the “Protein” section.

1.1.3 Carbohydrates   This subunit is covered by the reading assigned beneath subunit 1.1. Focus specifically on the “Carbohydrate” section.

1.1.4 ATP   This subunit is covered by the reading assigned beneath subunit 1.1. Focus specifically on the “Nucleic acids” section.

1.1.5 DNA   This subunit is covered by the reading assigned beneath subunit 1.1. Focus specifically on the “Nucleic acids” section.

1.1.6 RNA   This subunit is covered by the reading assigned beneath subunit 1.1. Focus specifically on the “Nucleic acids” section.

1.2 Chemistry   1.2.1 pH   - Web Media: Khan Academy’s “Introduction to pH, pOH, and pKw” Link: Khan Academy’s Introduction to pH, pOH, and pKw (YouTube)

 Instructions: Watch this lecture.  

 Watching this lecture and taking notes should take approximately 15
minutes.  

 Terms of Use: This video is licensed under a [Creative Commons
Attribution-NonCommerical-ShareAlike 3.0 United States
License](http://creativecommons.org/licenses/by-nc-sa/3.0/us/). It
is attributed to the Khan Academy

1.2.2 First- and Second-Order Reactions   - Reading: Purdue University Chemistry: William R. Robinson’s notes on Reaction Order Link: Purdue University Chemistry: William R. Robinson’s notes on Reaction Order
 
Instructions: Read this section beginning with the title “Rate Laws and Order of Reaction” to gain a general understanding of the concept of reaction order.
 
Reading this text and taking notes will take approximately 30 minutes.
 
Terms of Use: Please respect the copyright and terms of use displayed on the webpage above.

1.2.3 Free Energy   - Reading: National Center for Biotechnology Information’s Bookshelf: Sinauer Associates: Professor Geoffrey Cooper’s The Cell, A Molecular Approach, 2e: “Metabolic Energy” Link: National Center for Biotechnology Information’s Bookshelf: Sinauer Associates: Professor Geoffrey Cooper’s The Cell, A Molecular Approach, 2e: Metabolic Energy (HTML)
 
Instructions: In “Metabolic Energy,” read the introduction and the subsection “Free Energy and ATP” with associated figure (Fig. 2.31). Do not concern yourself with memorizing the reactions.

 Reading this text and taking notes should take approximately 30
minutes.  

 Terms of Use: Please respect the copyright and terms of use
displayed on the webpage above.

1.2.4 Chemical Bonds   - Lecture: Khan Academy’s “Ionic, Covalent, and Metallic Bonds” Link: Khan Academy’s Ionic, Covalent, and Metallic Bonds (YouTube)
 
Instructions: Watch this lecture.
 
Watching this lecture and taking notes should take approximately 15 minutes.
 
Terms of Use: This video is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License. It is attributed to the Khan Academy.

  • Assessment: The Saylor Foundation’s “Unit 1 Quiz” Link: The Saylor Foundation’s “Unit 1 Quiz” (HTML)

    Instructions: Complete this quiz after working through Unit 1. The questions are either multiple choice or matching.

    Completing this assessment should take approximately 30 minutes.