3. Chemistry of life
3.1. Chemical elements and water
Activity 1: Watch following video (no sound) then discuss possible explanation - relate property to living organisms / introduce "significance" (class)
Surface tension geeky moment - http://www.youtube.com/watch?v=u5AxlJSiEEs
All of Biochem. structure basics http://www.johnkyrk.com/index.htm
3.2. Carbohydrates, lipids and proteins
Activity 2: Mind map / Replace each molecule and each named reaction in a larger context of known life processes (class)
Sugars:http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/Carbohydrates.html
Mono and di-saccharides: http://chemistry2.csudh.edu/rpendarvis/monosacch.html
Lipids - fatty acids: http://biology.clc.uc.edu/Courses/bio104/lipids.htm and http://www.youtube.com/watch?v=7k2KAfRsZ4Q
Amino acids: http://themedicalbiochemistrypage.org/amino-acids.htmlhttp://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AminoAcids.html
Protein structure: http://www.metric-conversions.org/area/hectares-to-square-meters.htm
Condensation and hydrolysis: http://www.biotopics.co.uk/as/dipeptidehydrolysis.html
3.3. DNA Structure and 3.4. DNA replication
Activity 3: Watch Meselson and Stahl experiment - write an outline - use facts from the outline to draw a conclusion (individual - graded)
DNA replication, video at SL level: http://www.youtube.com/watch?v=hfZ8o9D1tus
Meselson and Stahl experiment - semi-conservative replication:http://www.youtube.com/watch?v=mfnDVV518es
HL Chapter 7.
Video for DNA replication Higher level only: http://www.youtube.com/watch?v=teV62zrm2P0
3.5. Transcription and translation
Activity 4: Discussing paradigm shifts (TOK)
Biology central dogma: http://www.youtube.com/watch?v=-ygpqVr7_xs
HL Chapter 7.
Function of proteins: http://www.contexo.info/DNA_Basics/Protein_Structure.htm
Fibrous and globular proteins: http://www.biog1105-1106.org/demos/105/unit1/fibrous_v_glob.html
Visualisation of Protein in 3D animations: http://www.umass.edu/microbio/rasmol/
Protein structure (HL):http://www.biotopics.co.uk/JmolApplet/proteinjstructure.html
3.6. Enzymes
Activity 5: Designing a practical to investigate factors affecting enzyme-catalysed reactions.
Activity 6: Conducting designed practical
Video about hornet and bee defence mechanism: http://www.youtube.com/watch?v=0EZtXNIT5QQ
HL Chapter 8.
Enzymatic inhibition: http://www.youtube.com/watch?v=PILzvT3spCQ
3.7. Cell respiration
Cell respiration song: http://www.youtube.com/watch?v=3aZrkdzrd04
Activity 7: Investigating the effect of pH on fermentation - Glucose fermented by yeast / measuring release of carbon dioxide with probes
HL Chapter 8.
(HL) and details of K.cycle http://www.youtube.com/watch?v=hw5nWB0xN0Y
3.7. PhotosynthesisSimple Photosynthesis song / to catch-up on IGCSE: http://www.youtube.com/watch?v=C1_uez5WX1o
HL Chapter 8.
Photosynthesis song at IB level: http://www.youtube.com/watch?v=yrQzEw9xY5k
HL) Light dependent stage : http://youtu.be/hj_WKgnL6MI
(HL) Calvin cycle: http://youtu.be/_NIhg1qa_L0
Activity 1: Watch following video (no sound) then discuss possible explanation - relate property to living organisms / introduce "significance" (class)
Surface tension geeky moment - http://www.youtube.com/watch?v=u5AxlJSiEEs
All of Biochem. structure basics http://www.johnkyrk.com/index.htm
3.2. Carbohydrates, lipids and proteins
Activity 2: Mind map / Replace each molecule and each named reaction in a larger context of known life processes (class)
Sugars:http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/Carbohydrates.html
Mono and di-saccharides: http://chemistry2.csudh.edu/rpendarvis/monosacch.html
Lipids - fatty acids: http://biology.clc.uc.edu/Courses/bio104/lipids.htm and http://www.youtube.com/watch?v=7k2KAfRsZ4Q
Amino acids: http://themedicalbiochemistrypage.org/amino-acids.htmlhttp://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AminoAcids.html
Protein structure: http://www.metric-conversions.org/area/hectares-to-square-meters.htm
Condensation and hydrolysis: http://www.biotopics.co.uk/as/dipeptidehydrolysis.html
3.3. DNA Structure and 3.4. DNA replication
Activity 3: Watch Meselson and Stahl experiment - write an outline - use facts from the outline to draw a conclusion (individual - graded)
DNA replication, video at SL level: http://www.youtube.com/watch?v=hfZ8o9D1tus
Meselson and Stahl experiment - semi-conservative replication:http://www.youtube.com/watch?v=mfnDVV518es
HL Chapter 7.
Video for DNA replication Higher level only: http://www.youtube.com/watch?v=teV62zrm2P0
3.5. Transcription and translation
Activity 4: Discussing paradigm shifts (TOK)
Biology central dogma: http://www.youtube.com/watch?v=-ygpqVr7_xs
HL Chapter 7.
Function of proteins: http://www.contexo.info/DNA_Basics/Protein_Structure.htm
Fibrous and globular proteins: http://www.biog1105-1106.org/demos/105/unit1/fibrous_v_glob.html
Visualisation of Protein in 3D animations: http://www.umass.edu/microbio/rasmol/
Protein structure (HL):http://www.biotopics.co.uk/JmolApplet/proteinjstructure.html
3.6. Enzymes
Activity 5: Designing a practical to investigate factors affecting enzyme-catalysed reactions.
Activity 6: Conducting designed practical
Video about hornet and bee defence mechanism: http://www.youtube.com/watch?v=0EZtXNIT5QQ
HL Chapter 8.
Enzymatic inhibition: http://www.youtube.com/watch?v=PILzvT3spCQ
3.7. Cell respiration
Cell respiration song: http://www.youtube.com/watch?v=3aZrkdzrd04
Activity 7: Investigating the effect of pH on fermentation - Glucose fermented by yeast / measuring release of carbon dioxide with probes
HL Chapter 8.
(HL) and details of K.cycle http://www.youtube.com/watch?v=hw5nWB0xN0Y
3.7. PhotosynthesisSimple Photosynthesis song / to catch-up on IGCSE: http://www.youtube.com/watch?v=C1_uez5WX1o
HL Chapter 8.
Photosynthesis song at IB level: http://www.youtube.com/watch?v=yrQzEw9xY5k
HL) Light dependent stage : http://youtu.be/hj_WKgnL6MI
(HL) Calvin cycle: http://youtu.be/_NIhg1qa_L0