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Question: Suppose You want to add PMA to 15mL of HL-60 cells so that you have a concentration of 5nM. Your stock solution is 1uM. What is the volume of the stock solution you need? Question: The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg […]

Each individual blastomere of an early-stage embryo is considered to be totipotent. However, there is a “critical mass” requirement for an embryo to develop into a viable offspring. Explain why. Explain how a synchronous and/or uneven cleavage leads to early differentiation into inner cell mass and trophoblast tissue. If you […]

Q. The human circulation flows at the rate of 5 l/min (5 liters/min) at a mean (constant) arterial pressure of 100 mmHg, and at a mean venous pressure of 2 mmHg. Recall that human circulatory system is closed such that flow at any one point is the same. Suppose the […]

Q1. How many nucleotides would it take to construct the coding strand of the globin molecule? Explain how you determined the answer. Q2. A 28-year-old, otherwise healthy white female on no medications presents to the ER with chest pressure, dizziness, numbness in both hands, and feeling of impending doom that […]