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The subtext of the textbook excerpt quoted above is that when people are eating vegetable oil, they are not eating other fat sources. Saturated fats increase LDL levels, and unsaturated fats do not. A C Beynen, M B Katan, Why do polyunsaturated fatty acids lower serum cholesterol?, The American Journal of Clinical Nutrition, Volume 42, Issue 3, September ...


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I think almost everything is correct except for the last part. The reason one may easily overlook that part is that we inherit the complete 22 molecules from our mother who inherited the whole 2.35 * 10^10 molecules from her grandmother zygote. Grandma gave the whole thing to her daughter and that that number was distributed in all the cells in mom's body, ...


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they were both in different sacs when developing but shared the same placenta This suggests that they were monochorionic diamniotic twins, which would mean they are monozygotic, i.e. identical.


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an isotonic solution will the balance the osmolarity of a cell https://www.registerednursern.com/isotonic-hypotonic-hypertonic-iv-fluid-solution-overview-for-nursing-students-with-quiz/. A shrivelled/shrunken cell means that the cell has been in a hypertonic solution, in other words, a solution that was too salty causing all the water within the cell to ...


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The optimum cytoplasmic pH for performing physiological activities in plant cells is a neutral pH of around 7.2 to 7.4. The pH of apoplastic space outside plasma membrane and vacuolar pH is acidic ranging between 5 to 7. The thylakoid lumen is more fluctuating which varies during light / dark cycles and is highly acidic. The mitochondrial compartment and ...


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Edit: Similar questions have been asked before: Textbook/lab manual for mammalian cell culture Cell culture reagent/consumables suppliers can have good step by step recommendations for how to use their products. For example Thermo has some guidelines that you may find helpful. Specifically, cell culture maintenance would seem to be helpful. These folks also ...


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That depends on the status and activity of the cell. Red blood cells purge their nuclei and DNA contents and continue to perform their function quite well, though they lose their ability to split and form new cells (i.e. are terminally differentiated). Most cells, however, require the genome to transcribe and translate genetic information into protein to ...


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