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TLS Online TPP Program

#Question id: 546

Enzymes are potent catalysts because they:

#SCPH28 | Zoology

  1. are consumed in the reactions they catalyze.

  2. are very specific and can prevent the conversion of products back to substrates.

  3. drive reactions to completion while other catalysts drive reactions to equilibrium.

  4. lower the activation energy for the reactions they catalyze.

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TLS Online TPP Program

#Question id: 1682

#SCPH01 Biochemistry

Extensive allelic polymorphism is found in MHC:
TLS Online TPP Program

#Question id: 17208

#SCPH05 I Biotechnology

The suitable substitution matrix to align closely related sequences is
TLS Online TPP Program

#Question id: 16138

#SCPH01 Biochemistry

You obtain 6 BACs (of known order, as shown below) and 7 STSs (of unknown order) that derive from a region of mouse chromosome 16 whose genomic sequence has not yet been finished.   
 
By PCR (using 20-bp primers at either end of each STS), you test each of the 6 BACs for the presence (+) or absence (-) of each of the 7 STSs. You obtain the following results:
 
Would you expect STS51 and STS52 to be present in BAC D? 
TLS Online TPP Program

#Question id: 501

#SCPH05 I Biotechnology

In a tissue that metabolizes glucose via the pentose phosphate pathway, C-1 of glucose would be expected to end up principally in:
TLS Online TPP Program

#Question id: 10569

#I Life Science/ Life Sciences Group – I-V

Plants that grow in saline environments, called