Grade 10 Review For Final Exam - Solutions CHEMISTRY – CHEMICAL PROCESSES QUESTIONS 1. Briefly describe the tests for the following gases: (a) carbon dioxide turns limewater milky - precipitates (b) oxygen causes glowing splint to re-ignite (c) hydrogen causes burning splint to produce a pop sound. 2. Sketch a periodic table and label the main regions of the table. See pg 184 3. Draw Bohr diagrams for the following atoms: (a) boron (b) sulphur (c) calcium. [pic]
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other hand‚ does not cross over. Something else that is different is the way it occurs. Meiosis 1 is sexual but Mitosis is asexual. Another change is the number of divisions that each event goes through. Meiosis 1 goes through 2 divisions which ends up having 4 haploid cells‚ however Mitosis only has 1 division resulting in 2 diploid cells. Gregor Mendel came up with 2 main ideas/laws to attribute to his Principle of Dominance. This principle says when two pure‚ contrasting traits are crossed‚ the
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Fusion The type of division‚ in which two individuals are formed from a single individual‚ is called binary fusion. This is the simplest method of asexual reproduction which is found in unicellular organisms. The cells divide into two daughter cells. The daughter cells are morphologically and genetically identical. In this method‚ the nucleus first divides amitotically into two‚ which is followed by the division of the cytoplasm. The cell finally splits into two daughter cells. Binary fission occurs
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similar biochemical molecules such as proteins. Closely related organisms share very similar amino acid sequences for their proteins. Ex) Humans and rate share 91% amino acid sequence similarity - Compare and contrast prokaryotic and eukaryotic cells. Label representative diagrams. |Prokaryotic |Eukaryotic
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Write your name here Surname Other names Centre Number Candidate Number Edexcel GCSE Biology Unit B2: The Components of Life Higher Tier Additional Sample Assessment Material Time: 1 hour You must have: Calculator‚ Ruler Paper Reference 5BI2H/01 Total Marks Instructions se b ink or • Uill inlack boxesball-point pen. page with your name‚ F the a the top of this • centre number andt candidate number. nswer all uestions. • Answer theqquestions in the spaces
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Reproductive cells undergo meiosis Non-germ cells are reproduced Red blood cells undergo meiosis Number of chromosomes reduces by half in phase one Cell divides to produce four daughter cells Response Feedback: Meiosis occurs only in replicating gametes or reproducing cells. In phase one‚ the number of chromosomes is reduced by half but the chromatid pairs remain together. In phase two‚ the chromatids split apart forming four daughter cells. Non-germ cells such as red blood cells or skin cells undergo
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CE BIO 1994 1. (a) (i) The formation of red precipitate indicates the presence of reducing sugar (glucose) in the water ------------------------------------------------------------------- 1 This shows that the dialysis tubing is permeable to glucose / permits the diffusion of glucose into the external solution ------------------------------------------ 1 (ii) (1) Increased amount of precipitates in set-up a indicates the presence of more reducing sugar -------------------------------------------------------------
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building blocks of cells Lesson Specification learning outcomes Prior learning from KS3 HSW statements BTEC Links Lesson B2.1 Plant and animal cells 1.2 Describe the function of the components of a plant cell including chloroplast‚ large vacuole‚ cell wall‚ cell membrane‚ mitochondria‚ cytoplasm and nucleus Year 9 Explain‚ using a range of models and analogies‚ how the specialised cells and tissues involved in movement and support are adapted to their function‚ e.g. muscle cells‚ ciliated epithelial
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a size of 1 mm. Amoeba mostly thrive in moist environmental conditions‚ such as soil‚ bottom of freshwater ponds‚ puddles‚ streams‚ and seawater‚ or as parasites in animals‚ including humans. The cells of the amoeba contain special features. Their cytoplasm and cellular contents are enclosed within a cell membrane. Their DNA is packaged into the nucleus. Finally‚ they contain specialized structures called organelles‚ which execute a range of cellular functions including energy production and protein
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Module 1: Syllabus How long do you have to take an E-test? 2 hours Which of the following is curved? E-tests and the E-final Final Grades have? Pluses and minuses If a positive feedback signals reaches the comparator‚ what occurs? Comparator will turn on the controlled Where should you go to find updates on the course? Announcements in Bioespresso Where should you go to access your readings and assignments? www.bioespresso.com Where do you submit your extra credit paper? Dr
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