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TLS Online TPP Program

#Question id: 13108

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 
 Why is it that some people show three bands?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. The more repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.
  2. They are heterozygotes at this region.
  3. They are homozygotes at this region.
  4. They are heterozygotes, and possess one allele that can be cut and one allele that cannot be cut.
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TLS Online TPP Program

#Question id: 19135

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following statements is false when describing SWISS-PROT ? 
TLS Online TPP Program

#Question id: 1655

#Section 2: General Biology

IgA in seromucus secretions:
TLS Online TPP Program

#Question id: 27209

#Section 3: Genetics, Cellular and Molecular Biology

Nucleic acids are a polymer of nucleotide monomeric units. Each nucleotide consists of
TLS Online TPP Program

#Question id: 15474

#Section 4: Fundamentals of Biological Engineering

The overall reaction for microbial conversion of glucose to L-glutamic acid is:
C6H12O6 + NH3 + 3/2O2 C5H9NO4 + CO2 + 3H2O
(glucose)                            (glutamic acid)
What mass of oxygen is required to produce 15 g glutamic acid?
TLS Online TPP Program

#Question id: 28108

#Section 5: Bioprocess Engineering and Process Biotechnology

Consider the following reversible reaction. In a 3.00 liter container, the following  amounts are found in equilibrium at 400 oC: 0.0420 mole N2, 0.516 mole H2 and 0.0357 mole NH3. Evaluate Keq.

N2(g) + 3H2(g) ↔ 2NH3(g)