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A plasma membrane with surface area of 5000 µm2; there are 106 phospholipid molecules per µm2 in each leaflet of the membrane; there are 3000 molecules of flippase enzyme associated with the plasma membrane; each flippase enzyme molecule can catalyze 100 flips per second (we’ll ignore enzyme specificity for the […]

Part 1 1. Nitrogen fixation is a natural process by which inert or unreactive forms of nitrogen are transformed into usable nitrogen. Why is this process important to life? 2. Given what you have learned about the hydrogen bonding shared between nucleic acids in DNA, which pair is more stable […]

2. Write a complete description Flexor digitorum superficialis relationship to the other elements of the musculoskeletal system that interact with with it. Pay attention to the muscle’s attachments, the locations and shapes of joints affected by it, as well as their planes of movement, the restrictions of ligaments and other […]

Q1. How can activity of insects or mites cause damage to plants that can be misdiagnosed as disease give examples? Describe the mechanical and chemical means used by pathogens to attack plants. Elucidate how plant pathognic attack can affect plant physiological process. Explain the pre-infectional and post -infectional processes used […]