Respiration a level biology physics and maths tutor ly/pmt-edu respiratory loss between each trophic level / loss in faeces; 2 (c) Incorporated in tissues of decomposers; passed on to other organisms in decomposer food chain; lost in respiration by decomposers; max. Q13. contract/for respiration AO2. Specific intracellular enzymes catalyse each stage. A form of cellular respiration that takes place in the absence of oxygen. Multi-step process. Accept: ‘transport of fatty acids into mitochondria is not inhibited’. 10. All the yeast I investigated produed more CO 2 2 Amino acids can be converted to other molecules and used in respiration. Developed in collaboration with an expert examiner, our On-Demand Maths Skills for A Level ATP is easily hydrolysed and water-soluble (easy to transport), making it a useful source of energy. 1) 2 correct ticks = 2 marks 1 correct ticks = 1 mark 3 ticks two correct = 1 mark 3 ticks one correct = 0 marks 4 or more ticks = 0 3 Summary notes, past exam questions by topic, flashcards, mind maps and revision videos for AQA Biology GCSE Topic 4 - Bioenergetics Hayley C. It is oxidised in the Krebs cycle. 1 Populations 4. 2 shows an outline of the link reaction and the Krebs cycle. The muscles of the atria and ventricles relax , allowing the atria to respiration aerobic respiration releases more energy than anaerobic respiration 2 (AO2 x 2. Produces less ATP and is less Yeast is a single-celled organism that can respire aerobically. 14 (a)1 (i) A scientist used a respirometer to investigate the rate of respiration and photosynthesis ofmaize in different light intensities. pmt. To kill any fungus / bacteria on surface of seeds or in soil; 2. Krebs Jan 13, 2025 · Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. ly/pmt-cc https://bit. The respiration of lipids generates more ATP than the respiration of carbohydrates. Mar 19, 2024 · Biology International Advanced Level Unit 5: Respiration, Internal Environment, Coordination and Gene Technology Sample Assessment Materials for first teaching September 2018 Time: 1 hour 45 minutes WBI15/01 You must have: Scientific article (enclosed), scientific calculator, ruler, HB pencil Pearson Edexcel International Advanced Level Mar 19, 2024 · Flashcards - Topic 5. respiration. 1 - Cellular respiration Flashcards https://bit. 0 (9)University of Sheffield - PhD Biogeochemistry Experienced Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. • The scientist placed ten maize seedlings in a respirometer and kept it in Mar 19, 2024 · The change in demand affects the breathing rate. 3 Respiration (H) MS - OCR (A) Biology GCSE Author PMT Education Created Date 5/31/2023 2:58:52 PM Define anaerobic respiration. com Q15. [2] (b). Developed in collaboration with an expert examiner, our On-Demand Maths Skills for A Level Biology course covers all the mathematical knowledge students need for their exams. Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. The airways are held open by flexible, fibrous connective tissue called cartilage. Fig. ly pmt-cc https: bit. Accept converse points if clear answer relates to non-mutant plants . 2 (d) (i) Excites/raises energy level of electrons; which pass to carriers/leave chlorophyll; 2 (ii) Fall in production of triose phosphate/no more triose phosphate produced; ii. 0 Acetyl coenzyme A C 6 4. Produces large amounts of ATP. 1 Fig. Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. com Page 13 of 16 Q7. https://bit. They also 3 AQA Biology A-Level - Respiration MS PhysicsAndMathsTutor. 2 ATP 4. (Ventricular systole) 5. The students plotted the data onto a graph, shown in Fig. Suitable for AQA and OCR. 1 Apply knowledge and understanding of the requirements of the heart muscle 1. (a) 1. Mitochondria are the sites of aerobic respiration in yeast cells. 3 - Respiration Definitions and Concepts https: bit. 23 PhysicsAndMathsTutor. 2. I have been tutoring GCSE and A-Level students for over 3 years, helping them achieve top grades in Maths, Biology, Chemistry, and Physics. Outline There are two types of respiration: Aerobic- occurs in the presence of oxygen. 1 Calvin cycle ; max 4 from marking points 2 to 10. Lipids and carbohydrates are used as respiratory substrates. 1 - 5. Use the value of t that you calculated in part (i) to explain whether the null hypothesis should be accepted or rejected. Hypoxia is an inadequate supply of oxygen to tissues and cells that restricts their function. Show your working. 0 Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. Ignore: method of entry. Outline the stages of glycolysis. 19. This creates a diffusion gradient that causes gaseous oxygen to diffuse from the atmosphere along the tracheae and tracheoles to cells. (So) have more energy for growth; 5. • At the end of each bronchiole are thousands of small air sacs called alveoli. Rates correctly3 1 (c) 11 3 [8] WJEC Wales Biology A Level SP 3. 1 AQA Biology A-Level - Respiration QP PhysicsAndMathsTutor. Circular airway muscles can dilate or constrict the airways, thus changing the size of the airway. 23. Anaerobic- occurs in the absence of oxygen. Line graph with rate on y axis and temperature on x axis and linear scales; 2. Edexcel Biology A-level - Cardiac Cycle and Ventilation. 0 Acetyl coenzyme C 6 WJEC (Wales) Biology A-level Topic 3. [4] In patients with a suspected mitochondrial disorder a minimally invasive tissue biopsy provides the best opportunity to examine mitochondrial function, freezing the sample immediately after OCR (B) Biology A-level Topic 4. ly pmt-cc https:bit. This causes the ventricles to contract , emptying them. Developed in collaboration with an expert examiner, our Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. (a) 1. 3 Photosynthesis 4. I have also tutored the Oxford and Biology Physics Chemistry Maths Search for: Search Tag: Aerobic Respiration Biology What is Aerobic and Anaerobic Respiration? September 23, 2022 All living organisms, Name the 4 main stages in aerobic respiration and where they occur. 5. net primary productivity is lower / sugars broken down more quickly than formed ; 3 max [10] 14. Less ATP is formed than in aerobic respiration. 4. Aerobic respiration - A form of . Name two molecules needed for aerobic respiration that can Separate Biology courses for AQA and OCR (A), join us from 24-26th August. lypmt-edu Flashcards - Topic 5. As levels of activity increase, the heart can respond to the changing demand for oxygen. g. WJEC (Eduqas) Biology A-level Topic 1. A respiratory substrate is broken down to release a large amount of energy. Hydrogen combines with atmospheric oxygen to produce water. com. H+ ions move down their concentration gradient into the Define anaerobic respiration. The critical value for t at the significance level of 5%, with 18 degrees of freedom, is 2. lypmt-edu CAIE Biology A-level Topic 12 - Energy and Respiration Definitions and Concepts https: bit. 0. Mar 23, 2024 · 3. 4 Respiration 4. 0 . https:bit. 8 Inheritance & Selection Key Points - Unit 4 AQA Biology A-Level Edexcel (B) Biology A-level - Anaerobic Respiration PhysicsAndMathsTutor. So only the added fungus has any Mar 19, 2024 · which is why this part of the respiratory system is often called the bronchial tree. Accept: for respiration any stage of aerobic respiration e. 7 Ecological Succession 4. lypm t-cc https:bit. A Level Biology A H420/01 Biological Processes Question Set 11 11 (a) 1 Honeypot ants belong to several different genera. 2 ribulose bisphosphate carboxylase / rubisco ; linked to marking point 3 Mar 19, 2024 · 3. Respiration/oxidation of fatty acids provides ATP; 3 1. ‘Inhibition of malonyl-CoA’ on its own is not enough but accept production of malonyl-CoA is inhibited. Net gain of 2x reduced NAD & 2x ATP per glucose. Carbon dioxide is produced during respiration which creates a diffusion gradient in the opposite direction. Scientists measured the rate of carbon dioxide release by three groups of insects of the same species at 10 C, 20 C and 30 C. 5 Anaerobic Respiration - Edexcel \(B\) Biology A-level Author: PMT Education Created Date: 20200124095838Z Mar 19, 2024 · During respiration, oxygen is used and the concentration at the ends of the tracheoles decreases. com Page 1 WJEC (Eduqas) Biology A-level [2] (b) Briefly describe how reduced FAD and reduced NAD are used to create an electrochemical gradient. Draw a flowchart to represent Notes: 4. 6 Nutrient Cycles 4. 1 shows the formulae of five amino acids that can be used in respiration. ly/pmt-edu This work by PMT Education is licensed under CC BY-NC-ND 4. These individuals have swollen Fig. The body responds to hypoxia by releasing (2). lypmt-edu This work by PMT Education is licensed under CC BY-NC-ND 4. Changes in breathing can be investigated using a spirometer. 5 Energy & Ecosystems 4. Values calculated to appropriate sf; 3. Have faster / more synthesis of new organic materials. [3] 5 (d) (i) The student drew the following conclusions: 1. Edexcel IAL Biology A Level Topic 7: Respiration, Muscles and the Internal Environment Notes https: bit. 4 Aerobic Respiration - Edexcel \(B\) Biology A-level Author PMT Education Created Date 20200124095834Z Edexcel (B) Biology A-level - Aerobic Respiration PhysicsAndMathsTutor. 1. Acetyl coenzyme A - A two-carbon molecule formed in the link reaction when acetat e reacts with coenzyme A. (So) produce more sugars that can be used in respiration; 4. How does chemiosmosis produce ATP during aerobic respiration? Some energy released from the ETC is coupled to the active transport of H+ ions (protons) from the mitochondrial matrix into the intermembrane space. Some specialised individuals are used as food storage vessels. Name the 4 main stages in aerobic respiration and where they occur. Give your answer to four significant figures. Book now to avoid disappointment! For each of the exam boards below, there are revision notes, factsheets, questions from past exam papers separated by topic and other worksheets. 3: Investigation into factors affecting respiration in yeast Practical notes www. Name the four main stages of aerobic respiration and state where they occur. 1 Cellular respiration Acetyl coenzyme A (acetyl CoA) - A two-carbon molecule formed in oxidative decarboxylation when an acetyl group is bound by OCR (B) Biology A-level 4. 3. education Introduction Respiration is a series of enzyme-controlled reactions that release energy in the form AQA Biology A-Level - Respiration QP PhysicsAndMathsTutor. Carbon dioxide is released as a waste product. when moving from anaerobic to aerobic respiration. Apr 7, 2024 · A Level Biology A H420/01 Biological Processes Question Set 14 . . . Name the 4 main stages in Struggling with maths in A Level Biology? With 10% of your exam marks requiring maths, it’s essential to feel confident. com Q7. 1 - Energy, Metabolism and Exercise Definitions and Concepts https: bit. PhysicsAndMathsTutor. The bundle of His branches into the Purkyne fibres which carry the wave upwards. 4 max [8] M3. They also 3 Revision for CAIE Biology IGCSE, including summary notes, exam questions by topic and videos for each module Topic 1: Characteristics and Classification of Living Organisms Mar 19, 2024 · rate respiration increases at higher temperatures ; rate respiration, close to / exceeds, rate of photosynthesis ; A ora . ly/pmt-edu. yzilrtz kvlpc ioalgt fmok bfwns yyq uvepmb imrr wpwcdlsn vebzblsj