"Ch 22 evolution ap biology" Essays and Research Papers

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    PATTERNS IN NATURE – Summary Notes 1. ORGANISMS ARE MADE OF CELLS THAT HAVE SIMILAR STRUCTURAL CHARACTERISTICS 1.1 Outline the historical development of the cell theory‚ in particular‚ the contributions of Robert Hooke and Robert Brown The Cell Theory states that: All living things are made of cells (Theodor Schwann & Matthias Schleiden) Cells are the basic structural and functional unit of organisms (Theodor Schwann) All cells come from pre-existing cells (Rudolf Virchow) The historical

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    Name________________ Block 4 ______ Pushing the Limits – Strength! For each section: List ONE question that could be answered by the film about each of the different sections and state the answer. Bones Q - How Many bones is your skeleton made up of ? _______________________________________________________________________ A - The Skeleton is made up of 206 bones _______________________________________________________________________ Muscles – Superhuman strength Q- How does

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    Animal Diversity The number of animal varieties familiar to us is vast as the animal world is diverse. Each distinct variety or type of animals is recognized by scientist as a species. Animals of most species are free-living forms but of others are parasitic in bodies of other animals or even plants.  According to their habitats animals are divided into the following types     Aquatic animals :- They live in water . Animals living in sea water are called marine & those live in river‚ponds‚streams

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    #Of people with trait Free earlobes 20 100% Attached earlobes 0 0% Hair on knuckles 5 25% No hair on knuckles 15 75% Widow’s peak 5 25% Straight hair line 15 75% Curly hair 10 50% Straight

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    TUTORIAL 1 BASIC MOLECULES OF CELLS I Student’s Guide: At university level‚ the tutor facilitates student learning without spoon-feeding. Therefore‚ you are expected to: • Read your textbook‚ attempt the questions before the tutorial • You may enter the class and sign your attendance after showing your tutor that all tutorial questions have been completed; even if you don’t know how to do‚ write something - you’re not advised to leave answers blank in the finals. • Write answers

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    Structural Isomers • molecules with the same molecular formula but with different arrangements of atoms • differences in the shape of isomers lead to differences in their physical & chemical properties • For example‚ galactose‚ glucose and fructose have the same molecular formula (C₆H₁₂O₆) but different structures (figure 6 page 30) • glucose itself has 3 different structural isomers  in dry state‚ glucose has a linear structure‚ but when dissolved in water‚ the molecules fold on itself

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    1. Outline the process of DNA profiling (genetic fingerprinting)‚ including ways in which it can be used. 6 marks • sample of DNA obtained / leucocytes / from mouthwash / hair / other named source • satellite DNA / repetitive sequences used for profiling • amplification of DNA by polymerase chain reaction / PCR • cutting DNA into fragments using restriction enzymes • separation of fragments of DNA (by electrophoresis) • separation according to the length of the fragments • pattern of

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    Evaluate the impact of care in the community for adults with Mental Health problems. Care in the community is where a patient is no longer detained nor sectioned within a hospital institution. However‚ there must be at least three practitioners agreeing that it is necessary for the patient to be released into the community. Adults who may suffer from mental health problems can ask to be cared for within the community. Patients and their families are now more educated with a sense of empowerment

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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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    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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