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TLS Online TPP Program

#Question id: 573

How is trypsinogen converted to trypsin?

#SCPH28 | Zoology

  1. A protein kinase-catalyzed phosphorylation converts trypsinogen to trypsin.

  2. An increase in Ca2+ concentration promotes the conversion.

  3. Proteolysis of trypsinogen forms trypsin.

  4. Trypsinogen dimers bind an allosteric modulator, cAMP, causing dissociation into active trypsin monomers.

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TLS Online TPP Program

#Question id: 2071

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

Diffusion of ions across membranes through specific ion channels is driven by:
TLS Online TPP Program

#Question id: 13051

#SCPH06 I Botany

Initiation of translation in higher eukaryotic organisms depends on a specific sequence of nucleotides surrounding the start (AUG) codon in the mRNA called……..
TLS Online TPP Program

#Question id: 11333

#SCPH06 I Botany

Small geographic areas with high concentrations of endemic species and a large number of endangered and threatened species are known as
TLS Online TPP Program

#Question id: 20542

#SCPH01 Biochemistry

In the process of bioremediation electrons or reducing equivalents from susceptible contaminants are transferred to which type of electron acceptor
TLS Online TPP Program

#Question id: 12104

#SCPH28 | Zoology

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?