Biology lessons On Air
By Veronica Athanasiou
Listen to IB and IGCSE Biology and Combined Science lessons from current syllabus.
Biology lessons On AirMay 14, 2022
00:00
20:31
Variables when investigating the effect of pH on enzyme activity
Biology GCSE SB1h Lesson 4 Turbo group, May 2022 - excerpt from lesson on my virtual classroom on Patreon. Link on bio
May 23, 202217:14
Enzymes GCSE Biology
Excerpts from my virtual classroom on Patreon.com -link on bio
May 22, 202215:25
Microscopy GCSE Biology
Lesson 1 on Biology Turbo group from my Patreon virtual classroom. Based on Edexcel specification. Visit patreon.Com/Biology_lessons_onAir
May 19, 202214:23
Mixtures and Pure substances
Chemistry GCSE lesson 2
May 14, 202220:31
IGCSE vs GCSE Biology
Edexcel offers two versions of Biology at middle school level. I explain what this is about
May 08, 202205:51
States of Matter
Solids, Liquids and Gases. Snippets from new virtual classroom. Combined Science GCSE Edexcel
May 06, 202210:37
IAL Gametes, fertilization and cell development
Adaptations of mammalian gametes, fertilization in mammals and plants, stem cells, totipotency and pluripotency
Mar 01, 202242:45
Πλασματική μεμβράνη
Μοντέλο ρευστού μωσαϊκού, εκλεκτική διαπερατότητα, διάχυση, ώσμωση, αντλίες, ενδοκυττωση, εξοκυττοση.
Nov 21, 202113:23
The fragility of tropical forests
A special episode for the Dublin Learning City Festival 2021. The slides accompanying this audio will be found on YouTube
Mar 17, 202116:27
IGCSE photosynthesis
Testing a leaf for starch and factors that affect photosynthesis
Jan 30, 202127:19
IB 2.6 DNA structure and replication
Meselson and Stahl experiment and the semi conservative model
Jan 23, 202129:41
IGCSE Osmoregulation and Thermoregulation
Chapter 8 in the book by Phil Bradfield and Steve Potter. Role of ADH and the skin.
Dec 06, 202025:14
IB 2.2 Water
Polarity of water, hydrogen bonds and the properties of water
Nov 01, 202034:18
Low SA:V in large organisms
The need for transport systems and specialized supply system for life processes to take place in large organisms
Oct 24, 202015:04
IGCSE Food calorimeter
Estimating energy content in a food sample using a simple calorimeter in the lab.
Oct 11, 202010:30
IGCSE 4. Digestion and absorption of food
Digestive enzymes, peristalsis, assimilation and egestion. Role of bile and pancreas attached to the alimentary canal.
Sep 28, 202028:16
IB Drawing sugars, fatty acids and amino acids for chapter 2.1
Extension of 2.1 Molecules to Metabolism with first part of 8.1 from IB syllabus.
Sep 25, 202013:03
IB 2.1 Molecules to metabolism
Life molecules and chemical processes. Important biochemical groupings. Examples. C-based life. Organic compounds. Metabolism. Falsification of Vitalism.
Sep 23, 202029:01
IGCSE 4. Food tests and energy in food
Description of the tests for starch, glucose, protein and lipids. Energy measurement in food and requirements according to size and activities in humans.
Sep 22, 202025:26
GCSE International: 4. Food and Digestion - part 1
Based on the book by Bradfield and Potter. Includes Balanced diet and the chemistry, sources and functions of the five main food groups plus fibre and water.
Sep 19, 202021:16
IB 1.6 Cell division
Cell division must be controlled
Sep 16, 202018:59
IB 1.5 Origin of cells
Cell theory exceptions and the possible origin of the eukaryotic cells of today.
Sep 11, 202016:58
IB 1.4 Membrane transport
Membranes control the composition of cells by active and passive transport.
Sep 10, 202019:08
IB 1.3 Membrane Structure
The structure of biological membranes makes them fluid and dynamic.
Sep 09, 202017:08
September 8, 2020
Sep 08, 202000:40