'Protein fragments' diaporamas de présentation

Structure and Motion

753 views • 53 slides

Composition of Bone

Composition of Bone. 50-70% Mineral Hydroxyapatite crystal Ca 10 (PO 4 ) 6 (OH) 2 20-40% Organic Matrix Type I Collagen (90% of total bone protein) Other proteins* 5-10% Water Some Lipids. Cells of Bone. Osteoblast Form organic matrix Extensive ER & Golgi Osteocytes

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Origin of Life

Origin of Life. Pieces of Model. Evidence for age of earliest life Where did life originate? How does life arise from non-life? How did cells arise? Development of more complex organisms. Evidence for age of origin of life. Evidence of ancient life: Stromatolites: 3.2 billion

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Structure and Motion

326 views • 32 slides

Cloning Overview

Cloning Overview. Foreign DNA is prepared for insertion into a vector DNA Both foreign and vector DNA are cut with a restriction enzyme The restriction enzyme leaves sticky ends Short regions of homology at the site of cleavage The foreign DNA and vector DNA are mixed together

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Figure 30-2 Autoradiogram and its interpretive drawing of a replicating E. coli chromosome.

Figure 30-2 Autoradiogram and its interpretive drawing of a replicating E. coli chromosome. 3 H-thymidine. Page 1137. Figure 30-6 Electron micrograph of a replication eye in Drosophila melanogaster DNA. Page 1139. Figure 30-3 Replication of DNA. Page 1137.

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Biological Myths of Aging

Biological Myths of Aging. Memory declines drastically with age for all people. IQ declines drastically with age in all people. Learning becomes more difficult as we get older. There is nothing you can do counter these aging deficits. Physical Decline with Aging.

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Language and dementia

Language and dementia. What is dementia? A progressive decline of mental abilities, accompanied by changes in personality and behaviour. There is commonly a loss of memory and a loss of skills that are needed to carry out everyday activities. The most frequent types of dementia:.

303 views • 3 slides