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TLS Online TPP Program

#Question id: 1650

Recombination of V, D, and J Ig gene segments:

#Section 2: General Biology

  1. Only occurs in mature B-cells

  2. Is effected by recombinase enzymes

  3. Involves heptamer-spacer-heptamer flanking sequences

  4. Does not occur until the mRNA stage

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TLS Online TPP Program

#Question id: 14938

#Section 1: Engineering Mathematics

The function f (x) = |x|/ x at x = 0 has
TLS Online TPP Program

#Question id: 2273

#Section 3: Genetics, Cellular and Molecular Biology

The bacterial cell wall is composed of
TLS Online TPP Program

#Question id: 15579

#Section 4: Fundamentals of Biological Engineering

In the Dynamic gassinol method, the volumetric oxygen transfer coefficient (KLa) is given by:
TLS Online TPP Program

#Question id: 600

#Section 2: General Biology

Two substances are used to produce a certain biological product in an enzyme-catalyzed reaction. It is found that both substrates must bind to the enzyme, first one, then the other before the product is produced. This is an example of a/an ________.
TLS Online TPP Program

#Question id: 384

#Section 4: Fundamentals of Biological Engineering

A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).