What is cell differentiation and how is it an example of epigenetics.pdf

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What is cell differentiation and how is it an example of epigenetics? Solution cell differentiation is transforming of a stem cell into various other types of cells like muscle cells , eye cells , heart cells , lung cells .... regarding how it is an example of epigenetics : since genome is same in all cells of body but rhodopsin is formed in retina cells but not in pancreatic cells.... similarly insulin is formed in pancreatic cells but not in eye cells .... though eye cells contain gene for insulin also .... it happens becuse insulin gene is epigenetically silenced in eye retina cells as hetereochromatin DNA part as opposed to euchromatin part in pancreatic cells..... similarly it applies to rhodopsin and eye pigements are silenced in other parts of body epigenetically but are active in eye...... hope it heps.....

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inclusion program. investment. policy. social initiative. compliance. reevaluate the ethics code. seek government approval. report code to FDIC. make the code permanent. enforce the ethics code. social audit responsiblity quotient program compliance index payback progress program contribution indexCell Phones For Soldiers is a nonprofit organization with a long-term commitment to one cause. Suppose that Fed Ex volunteered to transport all of the program\'s donated phones for free. Cell Phones for Soldiers would be the beneficiary of Fed Ex\'s corporate Solution 1) Social initiative Social initiatives are enhance forms of corporate philanthropy.It differs from traditional phianthropy in that they are more directly related to the company\'s competencies ,such as Fed Ex\'s Delivery service 2) enforce the ethics code 3) Social audit A social audit is a systematic evaluation of an organization\'s progress toward implementing socially responsible and responsive programs.

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If O2 is found in high concentration on the outside of the cell: a) energy will be expended to pump it inside the cell. b) it will move inside the cell through a protein channel. c) it will form a shell around the outside of the cell. d) it will passively diffuse out of the cell. e) none of the above. Solution b.it will move inside the cell through a protein channel. Oxygen enters cells by passing through the cell membrane in a process called diffusion, which is a transport process that does not require energy.Diffusion is the process in which a substance moves from an area of high concentration (the environment outside cells) to an area of low concentration (inside cells) through a semi-permeable mebrane.The cell is constantly using up oxygen in different processes within the cell.As a result,the concentration of oxygen is lower inside the cell than outside.Oxygen diffuses into the cell rather than out of it..

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far Fie Edit View History Bookmarks Window Help roedopencampus blackboard com Remaining Time: 1 hour, 03 minutes, 42 seconds. Question Completion Status: An archaeological site is afood remains that were not made or modified by humans,such as butchered bones orbumed seeds. Ob an object made or modfied by hominds, such as a stone tool. Ocalocation with evidence of past human activity marked by, for example, tools, hearths or structures Oda person who excavates and studes pasthuman mmains QUESTION 6 Which of the following is NOT true? Neanderthals and other early Homo sapiens used Mousteriantool technology b The Neanderthals and other archaic Homo sapiens are associated with the frst clear evidence of burial of the dead and other rituals. c The handare and other bitaces of the Acheulan traditon are associated with Homo erectus Od Homo erectus is associated with earliest representational art in the form of cave paintings and Venus figurines. the QUESTION 7 Stone tools are made by to remove flakes. a striking a oore with a hammerstone sticing a fake wth a hammerstone meting certain types of rock over very high temperatures and then moldng them into shape Od cutting rocks into shape with a metal tool. QUESTION 8 Finds such as that of \"Lucy\" and the Laetoli footprints show that had a moist nose, or hinarium a the early australopithecines b the early australopithecines were bipedal, just as later hominins were. the early australopthecines were not bipeda, unike the later ones. d the early australopithecines were knuckle walkers. MacBook Air Solution Answer : 5 . c. An archeological site is a location with evidence past human activity, marked by for example tool, hearths or structures. 6 . d. 7. b 8 . b.

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