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1. The pka values of a compound with two ionizable groups are pk1=4.10 and pk2 between 7 and 10.  We have 10 mL of a 1.0 M solution of this compound at a pH of 8.0.  She adds 10.0 mL of 1.0 M HCL, which changes the pH to 3.20.  What is […]

1. While using a compound microscope, you observe a cell that is undergoing mitosis. You see double stranded chromosomes and a partial nuclear membrane. What phase is this cell in? 2. You are examining a slide showing cells undergoing mitosis. You see a cell in which a centriole is at […]

You believe that the cytosolic protein p007 is involved in mediating growth hormone-stimulated proliferation in cells. You wish to establish a cell model using your cultured fibroblasts. Provide clear explanations to the following. a) Describe how you would transfect the growth hormone receptor DNA into your cells to create stable […]

Human Growth and Development  Directions: Your response should be four (4) double-spaced pages; refer to the “Format Requirements” page located at the beginning of this learning guide for specific format requirements. Respond to the items below. Part A Consider the lifespan development process and describe the following changes in the […]