IBDP Biology

02 Molecular biology

Respiration 2.8

…ld be known. Anaerobic cell respiration in yeasts is used to produce ethanol and carbon dioxide in baking. In the human body anaerobic respiration is used to maximise the power of muscle contractions & produces lactate. Know how to use simple respiro…

08 Metabolism AHL

Cell respiration 8.2 HL

…lined leading to the production of water and ATP Key concepts Learn and test your biological vocabulary using these 8.2 Cell respiration flashcards. text text Essentials These slides summarise the essential understanding and skills in this topic.  Th…

02 Molecular biology

…ld be known. Anaerobic cell respiration in yeasts is used to produce ethanol and carbon dioxide in baking. In the human body anaerobic respiration is used to maximize the power of muscle contractions & produces lactate. Skills Know how to use simple…

04 Ecology

Carbon Cycle 4.3

…of biomass and fossil fuels. Diffuses into the atmosphere (and accumulates in the greenhouse layer). Methane is produced by anaerobic respiration. In the intestines of cattle methane is produced by methanogenic bacteria in ponds and wetlands. text t…

08 Metabolism AHL

…topic. It lists understandings and skills expected for Topic 7 including; extra details of enzymes, enzyme inhibitors, cell respiration and photosynthesis. Helpful for revision. Detailed revision notes, activities and questions can be found on each…

09 Plant biology AHL

Transport in phloem 9.2 HL

…in which translocation takes place. This process links several topics including osmosis, cell structure, photosynthesis and respiration. There are some new terms like hydrostatic pressure, sinks and sources and of course it is all about the movement…

Option C - Ecology

…ually exist within a community, shown by a food web. Skill: To compare the pyramids of energy from different ecosystems. The respiration rate determines the percentage of ingested energy converted to biomass. In closed ecosystems energy but not matte…

04 Ecology

…Chemical energy in carbon compounds flows through food chains by means of feeding. Energy released from carbon compounds by respiration is used in living organisms and is eventually converted to heat which is lost from ecosystems. Living organisms c…

Option B - Biotechnology

…gram to answer the questions. Define aerobic fermentation. (1 mark) A fermentation process that requires oxygen/uses aerobic respiration       2. Explain why the conditions in the fermenter must be optimal. (2 marks) Optimal conditions to achieve the…

08 Metabolism AHL

Metabolism 8.1 HL

…vative replication. Enzymes control metabolic pathways. Decarboxylases remove carbon atoms from sugars in the Krebs cycle of respiration. Thrombin is involved blood clotting. Thrombin converts fibrinogen to insoluble fibrin. Catalase breaks down toxi…

Planning extended response answers for success.

…se slides summarise the essential understanding and skills in this topic.  They contain short explanations in text...   Cell respiration 8.2 HL Key concepts Learn and test your biological vocabulary using these 8.2 Cell respiration flashcards. text t…

Paper 1 style Exam questions

Topic 2 Molecular Biology Paper 1 questions

…ings and skills expected for Topic 2 including water, carbohydrates, lipids, proteins, enzymes, DNA, RNA, protein synthesis, respiration and photosynthesis. Detailed revision notes, activities and questions can be found on each of the sub-topic pages…

Paper 1 style Exam questions

Topic 8 Metabolism HL Paper 1 questions

…topic. It lists understandings and skills expected for Topic 7 including; extra details of enzymes, enzyme inhibitors, cell respiration and photosynthesis. Helpful for revision. Detailed revision... Learn from any mistakes. Every question has an exa…

11 Animal physiology AHL

Sexual reproduction 11.4 HL

…contains enzymes for the sperm to enter the egg. The nucleus contains genetic material, the DNA. The mitochondria carry out respiration in the mid-section providing ATP for tail movement. A plasma membrane surrounds the cell. Extra exam question on…

Option D Human physiology

…l haemoglobin Maintaining a diffusion gradient across the placenta     Actively respiring tissue in an adult. (3 marks) High respiration rate in muscle increases carbon dioxide concentrations in blood/increase in pH of the blood. Causes haemoglobin t…

04 Ecology

Energy flow 4.2

…Chemical energy in carbon compounds flows through food chains by means of feeding. Energy released from carbon compounds by respiration is used in living organisms and is eventually converted to heat which is lost from ecosystems. Living organisms c…

Paper 2 style Exam questions

Cross topic question challenges

…hromosomes and genes. Cells and genes05/02/2023: Cross topic question on cells, chromosomes and genes Muscle contraction and respiration (Higher level only). Muscle contraction and respiration05/02/2023: Cross topic question on muscle contraction and…