All episodes of Biology lessons On Air

Biology lessons On Air

Episodes

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

Published 05/23/22

Enzymes GCSE Biology

Excerpts from my virtual classroom on Patreon.com -link on bio

Published 05/22/22

Biology lessons On Air

Published 05/22/22

Microscopy GCSE Biology

Lesson 1 on Biology Turbo group from my Patreon virtual classroom. Based on Edexcel specification. Visit patreon.Com/Biology_lessons_onAir

Published 05/19/22

Mixtures and Pure substances

Chemistry GCSE lesson 2

Published 05/14/22

IGCSE vs GCSE Biology

Edexcel offers two versions of Biology at middle school level. I explain what this is about

Published 05/08/22

States of Matter

Solids, Liquids and Gases. Snippets from new virtual classroom. Combined Science GCSE Edexcel

Published 05/06/22

IAL Gametes, fertilization and cell development

Adaptations of mammalian gametes, fertilization in mammals and plants, stem cells, totipotency and pluripotency

Published 03/01/22

Πλασματική μεμβράνη

Μοντέλο ρευστού μωσαϊκού, εκλεκτική διαπερατότητα, διάχυση, ώσμωση, αντλίες, ενδοκυττωση, εξοκυττοση.

Published 11/21/21

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

Published 03/17/21

IGCSE photosynthesis

Testing a leaf for starch and factors that affect photosynthesis

Published 01/30/21

IB 2.6 DNA structure and replication

Meselson and Stahl experiment and the semi conservative model

Published 01/23/21

IGCSE Osmoregulation and Thermoregulation

Chapter 8 in the book by Phil Bradfield and Steve Potter. Role of ADH and the skin.

Published 12/06/20

IB 2.2 Water

Polarity of water, hydrogen bonds and the properties of water

Published 11/01/20

Low SA:V in large organisms

The need for transport systems and specialized supply system for life processes to take place in large organisms

Published 10/24/20

IGCSE Food calorimeter

Estimating energy content in a food sample using a simple calorimeter in the lab.

Published 10/11/20

IGCSE 4. Digestion and absorption of food

Digestive enzymes, peristalsis, assimilation and egestion. Role of bile and pancreas attached to the alimentary canal.

Published 09/28/20

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.

Published 09/25/20

IB 2.1 Molecules to metabolism

Life molecules and chemical processes. Important biochemical groupings. Examples. C-based life. Organic compounds. Metabolism. Falsification of Vitalism.

Published 09/23/20

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.

Published 09/22/20

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.

Published 09/19/20

IB 1.6 Cell division

Cell division must be controlled

Published 09/16/20

IB 1.5 Origin of cells

Cell theory exceptions and the possible origin of the eukaryotic cells of today.

Published 09/11/20

IB 1.4 Membrane transport

Membranes control the composition of cells by active and passive transport.

Published 09/10/20

IB 1.3 Membrane Structure

The structure of biological membranes makes them fluid and dynamic.

Published 09/09/20