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Videos uploaded by user “Alex Lee”
Cellular Respiration Part 1   Intro IB Biology (SL)
 
07:48
Cellular Respiration Part 1 Intro IB Biology (SL)
Views: 55104 Alex Lee
Cellular Respiration Part 2   Glycolysis IB Biology
 
06:14
Cellular Respiration Part 2 Glycolysis IB Biology
Views: 39399 Alex Lee
Photosynthesis Part 1   Intro IB Biology
 
11:53
Photosynthesis Part 1 Intro IB Biology
Views: 52849 Alex Lee
Cellular Respiration Part 5   The Electron Transport Chain IB Biology
 
09:42
Cellular Respiration Part 5 The Electron Transport Chain IB Biology
Views: 33096 Alex Lee
Calculating Magnification (IB Biology)
 
05:58
Calculating Magnification IB Biology)
Views: 130026 Alex Lee
Cellular Respiration Part 4   The Krebs Cycle IB Biology
 
08:38
Cellular Respiration Part 4 The Krebs Cycle IB Biology
Views: 36037 Alex Lee
Free vs. Bound Ribosomes (2016) IB Biology
 
02:39
7.3 Translation: Free vs. Bound Ribosomes Understanding that: - Initiation of translation involves assembly of the components that carry out the process - Synthesis of the polypeptide involves a repeated cycle of events -Disassembly of the components follows termination of translation and most importantly: - Free ribosomes synthesise proteins for use primarily WITHIN the cell - Bound ribosomes synthesise proteins primarily for secretion or or use in lysosomes
Views: 14199 Alex Lee
Genetic Crosses - The Test Cross (IB Biology)
 
04:59
Genetic Crosses - The Test Cross (IB Biology)
Views: 25918 Alex Lee
Cellular Respiration Part 3   The Link Reaction IB Biology
 
05:06
Cellular Respiration Part 3 The Link Reaction IB Biology
Views: 35989 Alex Lee
DNA Replication (HL Details) (IB Biology)
 
11:13
DNA Replication (HL Details) (IB Biology)
Views: 52947 Alex Lee
Meiosis Part 1 (IB Biology)
 
10:08
Meiosis Part 1 (IB Biology) Table of Contents: 08:02 - Marker 08:25 - Marker
Views: 48149 Alex Lee
Photoperiodism (IB Biology)
 
07:43
Photoperiodism (IB Biology)
Views: 48575 Alex Lee
Tandem Repeats (2016) IB Biology
 
01:51
7.1 DNA structure and replication: Tandem Repeats Understanding that: - DNA structure and replication allows for DNA profiling to occur - Tandem repeats are what is used in DNA profiling - No two people have the same exact tandem repeats - Some regions of DNA do not code for preens but have other important functions such as DNA profiling -Tandem repeats can be seen in Gel electrophoresis (PCR)
Views: 8539 Alex Lee
Photosynthesis Part 2   Light dependent reactions   Non cyclic IB Biology
 
07:45
Photosynthesis Part 2 Light dependent reactions Non cyclic IB Biology
Views: 35040 Alex Lee
Photosynthesis Part 4   The Calvin Cycle IB Biology
 
05:58
Photosynthesis Part 4 The Calvin Cycle IB Biology
Views: 29770 Alex Lee
Photosynthesis Part 6   Action vs  Absorption Spectrum IB Biology
 
06:18
Photosynthesis Part 6 Action vs Absorption Spectrum IB Biology
Views: 28346 Alex Lee
Polyploidy leads to speciation (IB Biology)
 
04:49
Polyploidy leads to speciation (IB Biology)
Views: 17464 Alex Lee
Gene Transfer (IB Biology)
 
05:58
Gene Transfer (IB Biology) Table of Contents: 00:00 - Can we transfer genes between species? 01:04 - Can we transfer genes between species? 01:26 - Transferring Genes 01:27 - 02:58 - 05:36 - How did they do it? 05:37 -
Views: 14149 Alex Lee
Gene Linkage (IB Biology)
 
09:42
Gene Linkage (IB Biology) Table of Contents: 00:00 - Dihybrid Crosses and Gene Linkage 00:19 - What is a dihybrid cross? 00:22 - Sample Data 00:23 - What is a dihybrid cross? 02:06 - Sample Data 02:44 - 9:3:3:1 02:45 - 03:45 - What does independent assortment look like? 04:50 - What does gene linkage look like? 06:05 - Let's show how recombinants can form 07:51 - Gene Linkage (an exception to Mendel's Law of Independent Assortment) 07:52 - Let's show how recombinants can form
Views: 35711 Alex Lee
Reproductive Systems and the Menstrual Cycle (IB Biology)
 
16:43
Reproductive Systems and the Menstrual Cycle IB Biology
Views: 64827 Alex Lee
The Nervous System (Part 2)
 
04:09
The Story of the Nantagues and Kapulets!
Views: 14064 Alex Lee
Muscles and Joints (Part 3) (IB Biology)
 
09:24
Muscles and Joints (Part 3) (IB Biology)
Views: 9228 Alex Lee
Digestion (Part 1)
 
09:29
Digestion
Views: 53105 Alex Lee
Photosynthesis Part 3   Cyclic Photophosphorylation IB Biology
 
07:34
Photosynthesis Part 3 Cyclic Photophosphorylation IB Biology
Views: 25912 Alex Lee
Metabolism Intro (2016) IB Biology
 
03:15
Metabolism Intro Understanding that: -Metabolism is the web of all the enzyme-catalysed reactions in a cell or organism. -Anabolism is the synthesis of complex molecules from simpler molecules including the formation of macromolecules from monomers by condensation reactions. -Catabolism is the breakdown of complex molecules into simpler molecules including the hydrolysis of macromolecules into monomers.
Views: 22681 Alex Lee
Gene Linkage Practice Question (IB Biology)
 
06:59
Gene Linkage Practice Question (IB Biology)
Views: 37548 Alex Lee
How to Solve Pedigree Diagram Questions (IB Biology)
 
08:11
How to Solve Pedigree Diagram Questions (IB Biology)
Views: 25915 Alex Lee
Muscle Contraction - Actin and Myosin (IB Biology)
 
07:36
Muscle Contraction - Actin and Myosin (IB Biology)
Views: 16852 Alex Lee
Spermatogenesis (IB Biology)
 
13:49
Spermatogenesis (IB Biology)
Views: 15600 Alex Lee
Amphipathic Properties of Phospholipids (2016) IB Biology
 
03:43
1.3 Membrane Structure : Amphipathic Properties of Phospholipids Understanding that: - Phospholipids form bilayers in water due to the amphipathic properties of phospholipid molecules.
Views: 14002 Alex Lee
Prokaryotic vs. Eukaryotic Chromosomes (2016) IB Biology
 
04:20
3.2 Chromosomes: Prokaryotic vs. Eukaryotic Chromosomes Understanding that: - Prokaryotes have one chromosome consisting of a circular DNA molecule - Some prokaryotes also have plasmids but eukaryotes do not Eukaryote chromosomes are linear DNA molecules associated with histone proteins - In a eukaryote species, there are different chromosomes that carry different genes
Views: 17480 Alex Lee
More on DNA Structure (IB Bio HL Details)
 
13:40
More on DNA Structure (IB Bio HL Details)
Views: 27974 Alex Lee
Translation - The Central Dogma -  HL (IB Biology)
 
13:09
Translation - The Central Dogma - HL (IB Biology) Table of Contents: 00:00 - Plant Cells vs. Animal Cells
Views: 19542 Alex Lee
Oogenesis (IB Biology)
 
07:29
Oogenesis (IB Biology)
Views: 17825 Alex Lee
Excretion and the Kidney (Part 3) (IB Biology)
 
06:06
Excretion and the Kidney (Part 3) (IB Biology)
Views: 11390 Alex Lee
Seisen is Happy (To the Class of 2014)
 
04:50
Congratulation Graduates! We're lame and we love you. Delightfully Awkward Productions Big thanks to Lynn for editing
Views: 12029 Alex Lee
Transcription and Translation (Part 1) - Central Dogma (IB Biology)
 
11:21
Transcription and Translation (Part 1) - Central Dogma (IB Biology)
Views: 25957 Alex Lee
Meselson and Stahl Experiment (2016) IB Biology
 
10:53
2.7 DNA Replication ,transcription and translation: Meselson and Stahl Experiment (2016) IB Biology Understanding that: - the obtaining of evidence for scientific theories is important -Meselson and Stahl obtained evidence that DNA replication is semi-conservative
Views: 7380 Alex Lee
Enzyme Inhibition IB Biology
 
08:57
Enzyme Inhibition IB Biology
Views: 27946 Alex Lee
Processing Visual Stimuli, Hermann Grid, Contra lateral processing IB Biology
 
07:49
Processing Visual Stimuli, Hermann Grid, Contra lateral processing IB Biology
Views: 20283 Alex Lee
Nervous System (Part 3)
 
06:15
Nervous System (Part 3)
Views: 13512 Alex Lee
Cyclins, tumors, and smoking (IB Bio) (2015)
 
13:03
Cyclins, tumors, and smoking (IB Bio) (2015)
Views: 9024 Alex Lee
DNA Structure (IB Biology SL)
 
10:03
DNA Structure (IB Biology SL)
Views: 14268 Alex Lee
Osmoconformers and Osmoregulators (IB Biology)
 
03:32
Osmoconformers and Osmoregulators (IB Biology)
Views: 11457 Alex Lee
Transpiration (IB Biology)
 
10:16
Transpiration (IB Biology)
Views: 21038 Alex Lee
Chromosomes, genes, and alleles (IB Biology)
 
09:43
Chromosomes, genes, and alleles (IB Biology) Table of Contents: 00:00 - Chromosomes, genes, alleles and mutations 00:08 - 01:10 - What are chromosomes made of? 02:11 - What is a gene? 04:48 - What is an allele? 06:46 - EXAMPLE 08:06 - Does the Number of Chromosomes Matter? 08:54 - Haploid or Diploid 09:25 - Causes of Gene Mutation... 09:26 - Haploid or Diploid
Views: 210021 Alex Lee
Chemical Elements (IB Biology)
 
06:09
Chemical Elements (IB Biology)
Views: 15459 Alex Lee
Antibody Production Illustration (IB Biology)
 
10:01
Antibody Production Illustration (IB Biology)
Views: 36110 Alex Lee
Details of Transcription (Part 2) (IB Bio HL)
 
07:08
Details of Transcription (Part 2) (IB Bio HL)
Views: 17699 Alex Lee
Enzymes Introduction IB Biology
 
08:02
Enzymes Introduction IB Biology
Views: 10789 Alex Lee