is slowly replaced by hard bone. Some of these bones later fuse together‚ so that the adult skeleton has 206 bones. Bones are composed of two types of tissue. 1. A hard outer layer called cortical (compact) bone‚ which is strong‚ dense and tough. 2. A spongy inner layer called trabecular (cancellous) bone. This network of trabeculae is lighter and less dense than compact bone. Osteoporosis makes your bones weak and more likely to break. Anyone can develop osteoporosis‚ but it is
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For each example explain what kind of mutation that is (ie. A point substitution‚ a chromosomal duplication etc). Mutation is a genetic mistake(s) that occur during DNA replication. 1. Progeria accelerated aging; mutation in the LMNA gene 2. Hypertrichosis excessive hair on the shoulders‚ face and ears; implicate it to a rearrangement of chromosome 8. 3. Severe Combined Immunodeficiency Disorder born without an effective immune system. b. Why is genetic drift more significant
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1 of 22 4.0/ 4.0 Points Who proposed that all of the present continents were once joined together in a single supercontinent called Pangaea? A.Alfred Wegener B.Charles Darwin C.Arthur Holmes D. Harry Hess Answer Key: A Question 2 of 22 4.0/ 4.0 Points The scientific community rejected the theory of plate tectonics because Alfred Wegener could NOT A.identify a mechanism to move the continents. B.disprove competing theories that were not accepted by scientists. C.find
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CHM130 Lab 2 Measurements: Accuracy and Precision A. Data Tables (36 points) Place your completed data tables into your report here: Data Table 1 Measurement Data Length of aluminum plastic packet 5 cm Height of aluminum plastic packet 6.5 cm Temperature of faucet water 23°C Temperature of ice water 11°C Volume of water in 10-mL graduated cylinder 10 ML Volume of water in 50-mL graduated cylinder 10 ML Data Table 2 Measurement Data Inside diameter of 50-mL graduated cylinder 2.5 cm
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PART A 1. Buying a new PC. Low Yat Plaza in Jalan Bukit Bintang is a well-known place for computer sales. Assume that you want to buy a new PC for your personal use. Your task is to: i. Make a list of your hardware and software requirements‚ be as specific as possible. (For software‚ you must at least choose 1 type of operating system and 3 application programs.) HARDWARE * CPU (Central Processing Unit): responsible for handling all instructions it receives from hardware components
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S H E E T EXERCISE NAME_________________________________ LAB TIME/DATE ________________________ A C T I V I T Y 1 1 Cell Transport Mechanisms and Permeability Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. ______________________________________________________ __________________________________________________________________________________________________ 2. Why do you think the urea was not able to diffuse through the
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Simple and Fractional Distillation Experiment II Stancy Saji‚ 18 September 2014 Purpose Experiment II involved two kinds of distillation techniques: simple and fractional. Simple distillation was done to separate ethyl acetate—which has a usual boiling point of 77º—from a less volatile component‚ while fractional distillation was done to distinguish an ethyl acetate/n-butyl acetate mixture‚ which has boiling points of 77º and 125 º‚ respectively. Results and Discussion As previously stated the
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it will be racquetball courts‚ tennis courts‚ and fitness centers.Expenditures for these facilities for the secretaries will drive the company into bankruptcy.Answer | | | | | Selected Answer: | Slippery slope | | | | | * Question 2 0 out of 5 points | | | People are driving their cars like maniacs tonight. There must be a full moon.Answer | | | | | Selected Answer: | Composition | | | | | * Question 3 5 out of 5 points | | | White sheep eat
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1. Spiral Jetty is an example of x earth sculpture environmental sculpture machine sculpture accommodation with technology 2. In most contemporary sculpture‚ there is one pervasive characteristic: Sculpture identifies volume in space. The tactile nature of the pieces recalls traditional sculpture. x Sculpture remains true to materials. Sculpture now flies‚ floats‚ breathes. 3. Space sculpture emphasizes x spatial relationships the density of materials the human
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The Skeletal System:Bone Tissue 1* Dynamic and ever-changing throughout life 2* Skeleton composed of many different tissues 3* Cartilage bone‚ tissue‚ epithelium‚ nerve‚ blood forming tissue‚ adipose‚ and dense connective tissue Functions of Bone 1* Supporting & protecting soft tissues 2* Attachment site for muscles making movement possible 3* Storage of the minerals‚ calcium& phosphate -- mineral homeostasis 4* Blood cell production occurs in red bone marrow (hemopoiesis) 5* Energy
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