IB Home Standard Level Higher Level Options Additional Resources 8.2 Photosynthesis 8.2.1 Draw and label a diagram showing the structure of a chloroplast as seen in an electron micrograph 2D Representation 3D Representation Electron Micrograph 8.2.2 State that photosynthesis consists of the light-dependent and light-independent reactions Photosynthesis is a two-step process: 1. The light dependent reactions convert the light energy into chemical energy 2. The light
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mammal A warm-blooded animal with hair or fur; female mammals produce milk to feed their young. fish Vertebrates which live in water‚ usually have scales and breathe through gills. amphibian A vertebrate with moist skin and no scales that lives part of its life in water and part on land. bird Egg-laying vertebrates with feathers and forelimbs modified as wings. reptile A vertebrate that lays eggs and has lungs and scaly skin. invertebrate
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Certificate of Secondary Education *0191634512* 0610/61 BIOLOGY Paper 6 Alternative to Practical May/June 2013 1 hour Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a pencil for any diagrams or graphs. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. DO NOT WRITE IN
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1. What characteristics distinguish the living from the nonliving? The characteristics that distinguish the living from the nonliving are that nonliving things reproduce and grow‚ use energy‚ have levels of organization‚ maintain constant internal conditions‚ and evolve. 2. List the levels of life’s organizational hierarchy from smallest to largest‚ starting with atoms and ending with the biosphere. Atoms‚ molecules‚ organelles‚ cells‚ tissues‚ organs‚ organ systems‚ organism‚ population
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the field of medical research. As the embryo is artificially produced in a laboratory during in vitro fertilization‚ it is therefore possible for researchers to study the development of the embryo. This was impossible for researchers to do so in the past where the technology was yet to develop as the embryo is inside the mother’s womb. By studying the embryo‚ researchers can now study and identify some of the causes for some infant diseases and come up with method or
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Male System The structure and function of the human male reproductive system‚ is very similar to that of many other mammals. The male system is designed to make sperm or male gametes and is adapted to provide for the delivery of these gametes to the female to allow for fertilization. Male Reproductive System Male Reproductive System Structures 1. testes -- produces sperm and the hormone testosterone 2. scrotum -- pouch enclosing the testes keeping the sperm at an optimum temperature
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Boiling Point: 2792 K (2519°C) Phase at Room Temperature:Solid Density: 2.70 grams per cubic centimeter Crystal Structure: Cubic Colour: Silvery‚ white Electron Shell Configuration Number of Energy Levels: Three (3) First Energy Level: Two (2) Second Energy Level:Eight (8) Third Energy Level: Three (3) Isotopes In total‚ Aluminium has approximately 23 known isotopes ranging from Al-21 to Al-43‚ with two of these isotopes occurring naturally on Earth. Aluminium isotope Al-26 with a half-life
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Centre No. Candidate No. Paper Reference(s) Surname Paper Reference Initial(s) 7 0 4 0 7040/01 0 1 Signature Examiner’s use only London Examinations GCE Biology Ordinary Level Paper 1 Monday 10 May 2010 – Morning Time: 1 hour 30 minutes Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 Materials required for examination Nil Items included with question papers Nil 6 7 8 9 Instructions to Candidates In the boxes above‚ write your centre number
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mol/l). For example‚ a blood sample might be analyzed to determine its pH (-log10 [H+])‚ alcohol concentration in mg/mL‚ or glucose concentration in mmol/l. Your choice of approach will be determined by the purpose of the investigation and by the level of accuracy required. Major types of biomolecules that are assayed include amino acids‚ peptides‚ proteins‚ carbohydrates‚ sugars‚ and nucleic acids. Using a Standard Curve in Quantitative Analysis There are many instances in biological research
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child (foetus). These abnormalities were such things as no arms‚ no legs or very disfigured limbs. Around 15‚000 foetuses were damaged by thalidomide‚ of whom about 12‚000 in 46 countries were born with birth defects‚ with only 8‚000 of them surviving past the first year of life. Most of these survivors are still alive‚ nearly all with disabilities caused by the drug. In 2003‚ a World Health 10 Organisation newsletter quoted evidence that the disabilities and deformities in many thalidomide survivors
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