RedCircle VERIFY_TOKEN_66f99628-7f26-4708-a6df-530299b7d41e -- Rendered At Fri, 16 Oct 2026 12:36:53 +0000 IBiology https://redcircle.com/shows/ibiology en All rights reserved. Mathilda and Helen We are a pair of higher level IBDP biology students just trying to pass our exams. So now we've decided to go through the entire syllabus episode by episode and sharing our progress with you. This is not a replacement for actual revision though, please do not rely on us for all of your DP biology knowledge. 66f99628-7f26-4708-a6df-530299b7d41e We are a pair of higher level IBDP biology students just trying to pass our exams. So now we've decided to go through the entire syllabus episode by episode and sharing our progress with you. This is not a replacement for actual revision though, please do not rely on us for all of your DP biology knowledge.

]]> episodic no Mathilda and Helen helen.wurdinger@t-online.de false full Unit 9 *Plant Noises* Unit 9 *Plant Noises* Mathilda and Helen In our last episode, we tackle Unit 9 of the DP Biology course: Plant Biology. Thus we cover transport in phloem and xylem, growth with auxin, and reproduction.

]]> <p>In our last episode, we tackle Unit 9 of the DP Biology course: Plant Biology. Thus we cover transport in phloem and xylem, growth with auxin, and reproduction.</p> 523aa1cd-f5ea-4648-96bf-d95086362efa https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/2a048944-2a40-4990-b073-903ba73dd68d Mon, 09 May 2022 06:30:00 +0000 2705 false full Unit 11.3, 11.4 How We Make What Comes Out Down Below Unit 11.3, 11.4 How We Make What Comes Out Down Below Mathilda and Helen In this episode of our DP Biology revision podcast, we cover units 11.3 and 11.4, which are osmoregulation and reproduction. Reproduction specifically looks at spermato- and oogenesis as well as fertilisation, the placenta, and birth.

]]> <p>In this episode of our DP Biology revision podcast, we cover units 11.3 and 11.4, which are osmoregulation and reproduction. Reproduction specifically looks at spermato- and oogenesis as well as fertilisation, the placenta, and birth.</p> c0522bed-4e06-4fc8-87dc-98c1a3229a9f https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/6c4f6e3d-2fc6-4090-8d43-54df97e3bd39 Sun, 08 May 2022 06:30:00 +0000 2727 false full Unit 6.3, 11.1, 11.2 Self-Defence, with Cells or Muscles Unit 6.3, 11.1, 11.2 Self-Defence, with Cells or Muscles Mathilda and Helen Today we're looking at the units of defence and immune system (both the standard level and higher level content), as well as movement of muscles.

]]> <p>Today we&#39;re looking at the units of defence and immune system (both the standard level and higher level content), as well as movement of muscles.</p> 7a076ec5-1505-4d8c-993f-75ad2e31d9bc https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/43ff1a11-e972-49e6-afc6-2c0251b6dbb8 Sun, 08 May 2022 06:30:00 +0000 3136 false full Unit 6.5, 6.6 How Our Body Bosses Us Around Unit 6.5, 6.6 How Our Body Bosses Us Around Mathilda and Helen In this episode covering the DP Biology course, we're continuing with human physiology, looking at neurotransmission and hormones, homeostasis, and reproduction. Once again we are joined by my brother Olli, who can at least contribute something this time as a psychology major.

]]> <p>In this episode covering the DP Biology course, we&#39;re continuing with human physiology, looking at neurotransmission and hormones, homeostasis, and reproduction. Once again we are joined by my brother Olli, who can at least contribute something this time as a psychology major.</p> 02042f1b-ca4c-4cb9-94b1-8a48b0e85040 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/409f583f-1670-4fc5-a113-23212129dcc1 Fri, 06 May 2022 06:30:00 +0000 3006 false full Unit 6.1, 6.2, 6.4 Stomach Growls, Heartbeats, and Inhalation Unit 6.1, 6.2, 6.4 Stomach Growls, Heartbeats, and Inhalation Mathilda and Helen Today we're starting the human physiology unit of the IBDP Biology course. Specifically we're looking at digestion and absorption, the blood system, and gas exchange. Also we have a guest: a DP alumnus, who graduated three years ago and is ready to add his comments.

]]> <p>Today we&#39;re starting the human physiology unit of the IBDP Biology course. Specifically we&#39;re looking at digestion and absorption, the blood system, and gas exchange. Also we have a guest: a DP alumnus, who graduated three years ago and is ready to add his comments.</p> 62367aec-ef05-48ee-8279-633a2134c7df https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/43351a63-0196-4d1b-adc9-72e27527eed0 Thu, 05 May 2022 06:30:00 +0000 2716 false full Unit 5 Evolution and How We Sort its Results Unit 5 Evolution and How We Sort its Results Mathilda and Helen Today we're talking about the entirety of unit 5: evolution and biodiversity. Thus we go over evolution, natural selection, classification and biodiversity, and cladistics.

]]> <p>Today we&#39;re talking about the entirety of unit 5: evolution and biodiversity. Thus we go over evolution, natural selection, classification and biodiversity, and cladistics. </p> 5f7a8798-a918-4947-819f-c64c3e13ca38 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/18b467d1-95f2-45af-9dc6-e19355b9cd3a Wed, 04 May 2022 06:30:00 +0000 2507 false full Unit 4 Environmental Dread and Food Chains Unit 4 Environmental Dread and Food Chains Mathilda and Helen Today we're taking a look at the ecology unit of the DP Biology course, going through its entirety. This includes basic terms and definitions, energy flow, the carbon cycle, and climate change.

]]> <p>Today we&#39;re taking a look at the ecology unit of the DP Biology course, going through its entirety. This includes basic terms and definitions, energy flow, the carbon cycle, and climate change.</p> 4416f76b-bb9d-4d0f-9b1a-6a576f0c37b1 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/599fa295-ef10-4376-a42c-95202331a058 Tue, 03 May 2022 06:30:00 +0000 2008 false full Unit 3.3, 3.4, 10 Genes and What They Do With Us (Also Meiosis) Unit 3.3, 3.4, 10 Genes and What They Do With Us (Also Meiosis) Mathilda and Helen Today we're back to finish the genetics unit, with an explanation of meiosis, inheritance, and the entirety of the higher level content of genetics, which included meiosis, inheritance, and speciation.

]]> <p>Today we&#39;re back to finish the genetics unit, with an explanation of meiosis, inheritance, and the entirety of the higher level content of genetics, which included meiosis, inheritance, and speciation.</p> 00b9883e-7d1d-4fe7-bbf3-0e77e1dd2aae https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/91f5a4ec-0f78-48b5-85f6-429176045925 Mon, 02 May 2022 06:30:00 +0000 2553 false full Unit 3.1, 3.2, 3.5 Genes and What We Can Do With 'Em Unit 3.1, 3.2, 3.5 Genes and What We Can Do With 'Em Mathilda and Helen In this episode we discuss the units about genes, chromosomes, and genetic modification and biotechnology. The latter includes everything from gel electrophoresis, GMO, and cloning.

Meiosis and inheritance will be covered along with the higher level content in the next episode.

]]> <p>In this episode we discuss the units about genes, chromosomes, and genetic modification and biotechnology. The latter includes everything from gel electrophoresis, GMO, and cloning.</p><p>Meiosis and inheritance will be covered along with the higher level content in the next episode.</p> e64b2478-0216-431e-8f23-e95339154a90 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/74f8626b-d4ea-44da-99c2-bc058185f4aa Wed, 20 Apr 2022 06:30:00 +0000 2759 false full Unit 8.3 Calvin Cycle and Friend Unit 8.3 Calvin Cycle and Friend Mathilda and Helen In this episode we discuss photosynthesis at higher level depth, so explaining both the light-dependent and light-independent reactions, and how they rely upon one another to ultimately produce energy. In addition Calvin's lollipop experiment is also discussed.

]]> <p>In this episode we discuss photosynthesis at higher level depth, so explaining both the light-dependent and light-independent reactions, and how they rely upon one another to ultimately produce energy. In addition Calvin&#39;s lollipop experiment is also discussed.</p> 221de9e1-dfe4-4299-84e1-eee81541d163 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/81ab87f4-af1e-4a84-b5b5-1882f5f7ac61 Mon, 18 Apr 2022 06:30:00 +0000 1375 false full Unit 8.2 Krebs Cycle and Friends Unit 8.2 Krebs Cycle and Friends Mathilda and Helen Today we are discussing cell respiration, so covering glycolysis, the link reaction, the krebs cycle, and oxidative phosphorylation via chemiosmosis, also known as the electron transport chain.

]]> <p>Today we are discussing cell respiration, so covering glycolysis, the link reaction, the krebs cycle, and oxidative phosphorylation via chemiosmosis, also known as the electron transport chain.</p> 24f55f4c-bde3-4dbc-ab67-8b70bd091e70 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/ff5b4bdd-4359-40e4-b3f5-9961f55ab29c Sat, 16 Apr 2022 06:30:00 +0000 1460 false full Unit 7.1-7.3 Molecules Making Molecules to Make More Molecules Unit 7.1-7.3 Molecules Making Molecules to Make More Molecules Mathilda and Helen In this episode we cover Unit 7 of the IBDP Biology course: Nucleic Acids. We discuss replication, transcription, translation, and other related things.

]]> <p>In this episode we cover Unit 7 of the IBDP Biology course: Nucleic Acids. We discuss replication, transcription, translation, and other related things.</p> 84e9cc29-b8dc-446d-98c1-f48d95510378 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/9a3ccc2a-56cc-49cf-b5e7-da57212c30d5 Wed, 09 Mar 2022 07:30:00 +0000 2582 false full Unit 2.1-2.5 We're All a Pile of Carbons Unit 2.1-2.5 We're All a Pile of Carbons Mathilda and Helen In this episode we cover units 2.1-2.5 of the IBDP Biology course. This episode turned out a bit longer than anticipated, so here are the timestamps of the main parts we cover:

0:00 - Introduction to Biological Molecules

3:50 - Water

17:48 - Carbohydrates

26:18 - Lipids

36:18 - Amino Acids and Proteins

46:24 - Nucleic Acids

47:40 - Enzymes

]]> <p>In this episode we cover units 2.1-2.5 of the IBDP Biology course. This episode turned out a bit longer than anticipated, so here are the timestamps of the main parts we cover:</p><p>0:00 - Introduction to Biological Molecules</p><p>3:50 - Water</p><p>17:48 - Carbohydrates</p><p>26:18 - Lipids</p><p>36:18 - Amino Acids and Proteins</p><p>46:24 - Nucleic Acids</p><p>47:40 - Enzymes</p> 13eecda0-f28e-4e9d-bb83-0dd7b1c5dd2b https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/95dc56f7-a975-4949-b453-46c1d9620ea0 Sat, 12 Feb 2022 07:30:00 +0000 3467 false full Unit 1.4-1.6 The Everyday Life of a Cell Unit 1.4-1.6 The Everyday Life of a Cell Mathilda and Helen In this episode we discuss Units 1.4 to 1.6 of the IBDP Biology course, including membrane transport, the origin of cells, and cell division.

]]> <p>In this episode we discuss Units 1.4 to 1.6 of the IBDP Biology course, including membrane transport, the origin of cells, and cell division.</p> f96f0bcb-d9f0-4567-be7e-8cac796f4a77 https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/977ff43e-cf9a-426d-947d-d80e6f249402 Wed, 09 Feb 2022 07:30:00 +0000 2820 false full Unit 1.1-1.3: Cells, Cells, They're Made of Organelles Unit 1.1-1.3: Cells, Cells, They're Made of Organelles Mathilda and Helen Today's the day we're gonna learn about the cell, specifically looking at cell theory, their structure, and how we can use stem cells. We also go into details about organelles and way too much detail about the cell membrane.

]]> <p>Today&#39;s the day we&#39;re gonna learn about the cell, specifically looking at cell theory, their structure, and how we can use stem cells. We also go into details about organelles and way too much detail about the cell membrane.</p> 58105dfd-2188-4507-8135-d838ba0cde3b https://redcircle.com/shows/66f99628-7f26-4708-a6df-530299b7d41e/episodes/9bafad5c-0ba4-4f39-991b-b3776e5e2801 Sat, 05 Feb 2022 07:30:00 +0000 2479 false