Section 7

Clas 29

Nov. 15

Before Class Assignment

  • read section 22.6 
Topics
  • chirality
  • amino acids
  • amide functional group
  • the protein biopolymer

Learning Objectives

  • recognize a chiral carbon centre
  • recognise polar and non-polar amino acids
  • understand the primary chemical structure of a protein, made from amino acid units

Extra Material:

  • download the static picture file (these are pictures of some of the structures we'll look at in class; it is a .pdf file)
  • download the RASMOL VIEWER (this is an executable file for viewing 3D structures on a Windows machine)
    • many other free viewers are available on the internet, by searching "protein visualization software xxx" where xxx = your computer/operating system type
    • there are also apps for mobile devices, e.g., xxx in the Apple Apps store (I don't have an Android or Blackberry device, so I'm not sure about apps on them)
  • some notes on how to use the Rasmol program (and a link to the full manual)
Rasmol (3D structure viewer) files:
After Class Homework
  • Chapter 22: 7, 83, 89, 101, 103, 129, 147, 159
 

Class 30

Nov. 18

Before Class Assignment

  • none (22.6)
Topics
  • levels of structure in proteins (primary, secondary, and tertiary structure)
  • nucleic acids
  • DNA structure

Learning Objectives

  • understand how protein structures' shapes form in three dimensions
  • understand and identify the three building blocks that make up a nucleic acid (phosphate, ribose, base)
  • understand the three-dimensional structure of the deoxyribonucleic acid polymer (DNA)
  • understand the mechanism of DNA self-replication and learn how to amplify DNA through the polymerase chain reaction (PCR)
Rasmol files:
After Class Homework
  • Chapter 22: 105
 

Class 31

Nov. 20

Before Class Assignment

  • none (22.6)
Topics
  • RNA
  • protein bioynthesis
  • lipids

Learning Objectives

  • learn the structure of ribonucleic acid (RNA)
  • learn the Central Dogma, i.e. how the information encoded on DNA is used to create molecules
  • understand the structure of the class of non-polar biomolecules (lipids)
Rasmol files:
After Class Homework
  • Chapter 22: 107, 109, 158

 
Class 32

Nov. 22

Before Class Assignment

  • read section 21.7
Topics
  • carbohydrates
  • bioinorganic molecules

Learning Objectives

  • understand the structures of simple sugars, and the two ways they can connect to form polymeric structures (carbohydrates)
  • understand the structure of the porphyrin ring and its coordination chemistry in various biologically important molecules
Rasmol files:
After Class Homework
  • Chapter 22: 97, 99

COURSE EVALUATION DAY!


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