Sunday, den 28. February 2010

a. The systole is the contraction phase of the heart beat where the pressure on the walls of the blood vessels is highest. b. The diastole is the relaxation phase of the heart beat where the pressure on the walls of the blood vessels is lowest. c. A centrifuged sample of blood would yield a [...]

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Thursday, den 11. February 2010

a. Red blood cells are responsible for gas transport. b. The diastole is the relaxation phase of the heart beat where the pressure on the walls of the blood vessels is lowest. c. The systole is the contraction phase of the heart beat where the pressure on the walls of the blood vessels is highest. [...]

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Tuesday, den 5. January 2010

a) decomposition of a dead organism b) roasting a marshmallow c) centrifuging blood to separate the components d) combustion of firewood

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Sunday, den 20. December 2009

a) a 11000 rpm centrifuge b) a 11000 rpm computer hard disk drive

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Saturday, den 19. December 2009

1.after pelleting cheek cells from mouthwash 2.after the cells are split open 3.after adding NaCl and centrifuging

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Friday, den 18. December 2009

centrifuge tube crucible tong distilling flask dropping pipet geissler glass tubing hard glass test tube iodine flask mohr pinch cock porcelain crucible rubber tubing test tube brush weighing bottle Thank you very much for your help..

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Thursday, den 17. December 2009

Evaluate the effectiveness of each: Gravity filtration (paper and sand/gravel) Charcoal filtration Centrifuging Distillation

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Monday, den 30. November 2009

IAEA Conclusion: “There is no indication of resumed nuclear activities in those buildings that were identified through the use of satellite imagery as being reconstructed or newly erected since 1998, nor any indication of nuclear-related prohibited activities at any inspected sites. There is no indication that Iraq has attempted to import uranium since 1990. There [...]

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Tuesday, den 20. October 2009

Paragraph (a) – Most of the solvents are handled in glass containers, therefore it needs to be ensured that they are not held with wet hands as they could slip. If the glassware is dropped then it must be cleaned up as soon as possible and also making sure that everyone else in the lab [...]

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Tuesday, den 22. September 2009

you should ask the manufacturer of the instruments you have, they should know better because they produce them.

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