Ocr biology a level exam Study guides, Class notes & Summaries

OCR A Level Biology: Enzymes Practice Exam Questions 2024. What is metabolism? - CORRECT ANSWER The sum of all chemical reactions within cells and organisms What is an anabolic reaction? - CORRECT ANSWER One which builds a molecule or molecules What is a catabolic reaction? - CORRECT ANSWER One which breaks down a molecule or molecules Why do organisms need enzymes in their bodies? - CORRECT ANSWER To act as catalysts for their metabolic reactions What are some of the benefits t...

OCR A Level Biology Photosynthesis Exam Rated A+ 2024. What are the 3 photopigments found in the group of chlorophyll? - CORRECT ANSWER 1. Chlorophyll A 2. Chlorophyll B 3. Carotene Which of the 3 photopigments found in the group of chlorophyll is the main one? - CORRECT ANSWER Chlorophyll A What colour are Chlorophyll A, Chlorophyll B and Carotene respectively? - CORRECT ANSWER Green, blue and orange What is a photosystem? - CORRECT ANSWER Clusters of photopigments and proteins ...

OCR A Level Biology Hormonal Communication Prep-Exam Guide 2024. What are hormones? - CORRECT ANSWER Chemical messengers which travel in the blood to activate target cells What are endocrine glands? - CORRECT ANSWER Ones which secrete hormones into the blood to reach the target organ What are 8 examples of endocrine glands? - CORRECT ANSWER 1. Endocrine pancreas 2. Testes 3. Ovaries 4. Pituitary gland 5. Thyroid gland 6. Pineal gland 7. Adrenal gland 8. Thymus What are gonad...

OCR A Level Biology A H420/03 Unified biology June 2024 Exam Question paper Authentic Marking Scheme Attached

The document has paper 1 topics exam questions with the answers at the end. A Level Biology OCR A exam questions

OCR A Level Biology A H420/01 Biological processes June 2024 Exam Question paper Authentic Marking Scheme Attached

OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER Real exam 20232/2024 update

OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER Real exam 2024 update OCR AS LEVEL BIOLOGY A H020-02 Depth in biology JUNE 2022 MARK SCHEME 2024 LATEST UPDATE OCR (Oxford Cambridge and RSA) is a leading UK awarding body, providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels, Diplomas, GCSEs, Cambridge Nationals, Cambridge Technicals, Functional Skills, Key Skills, Entry Level qualifications, NVQ...

OCR A Level Biology A H420/02 Biological diversity June 2024 Exam Question paper Authentic Marking Scheme Attached

OCR A-LEVEL Biology – Liver Exam Questions With Correct Answers 2024. Excretion - CORRECT ANSWER Removal of metabolic waste products from the body. Excretion Vs Secretion - Similarities - CORRECT ANSWER 1. Both use ATP. 2. Involve homeostasis. 3.Products released by cells. Excretion Vs Secretion - Differences - CORRECT ANSWER Excretion: 1. Metabolic Waste. 2. Toxins. 3. Removal from Body. 4. NO VESICLES. 5. Urea, CO2, Water. Secretion: 1. Useful Products. 2. Cell Signall...