Biology lessons On Air

Biology GCSE SB1h Lesson 4 Turbo group, May 2022 - excerpt from lesson on my virtual classroom on Patreon. Link on bio

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

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

Chemistry GCSE lesson 2

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

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

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

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

A special episode for the Dublin Learning City Festival 2021. The slides accompanying this audio will be found on YouTube

Testing a leaf for starch and factors that affect photosynthesis

Meselson and Stahl experiment and the semi conservative model

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

Polarity of water, hydrogen bonds and the properties of water

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

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

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

Extension of 2.1 Molecules to Metabolism with first part of 8.1 from IB syllabus.

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

Description of the tests for starch, glucose, protein and lipids. Energy measurement in food and requirements according to size and activities in humans.

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.

Cell division must be controlled

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

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

The structure of biological membranes makes them fluid and dynamic.