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You are the scale-up biologist for a small Biotech firm that has recently developed the first therapeutic antibody produced in SF-9 cells. Your job is to scale up production to 10 - 50 liter reactors. Currently, the company is producing the antibody in T-75s. Describe...

Describe the different steps in down-stream processing required for purification of a functional recombinant protein produced in a) bacteria as an inclusion body, b) CHO cells as a cytoplasmic protein grown in F-12 medium with 10% fetal calf serum, c) CHO cells as a secreted...

PART 1: For the following dilution calculate (SHOW your work) a) The dilution from tube A to tube B b) The total dilution of the freezer tube in tube B. c) The density of cells in the original flask if the number of colonies from...

Part 2 of 10-Question 2 The allele b gives Drosophila flies a black body, and b+ gives brown, the wild-type phenotype. The allele wx of a separate gene gives waxy wings, and the wx+ gives nonwaxy, the wild-type phenotype. The allele cn of a third...

2. You have taken samples last week to separate on this gel. Why are you loading those samples twice? 3. What is a standard ladder and why is it so important that you load one on every gel? Why did you load different standard ladders...

5. Consider the following pairs of statements. For each pair, identify which statement is an example of induction and which is an example of deduction. Pair 1: In a study of 1,403 postmenopausal women who enrolled in the Women's Health Initiative, MRI scans showed women...

3. It has been argued that the reason for detection of such a small amount of mRNA (the read count) of lateral gene transfer origin in the slug cells is due to only very few cells containing plastids. Do you agree with this argument? Why...

Home Part 1-Rattlesnake Evolution In a South Dakota, a new phenotype of rattlesnake is showing up, with "curly-Q" tails. These snakes do not have the ability to make the rattling noise that we associate with rattlesnakes, In a hypothetical situation where the ability to rattle...

4) LAB MATH PROBLEMS: SHOW YOUR WORK and CIRCLE YOUR ANSWER!! Any numbers without UNITS are INCORRECT!! a) Describe how you would prepare solution of 0.8% agarose with a final volume of 50 ml. Show your calculations AND describe how you would get the agarose...