Practice Questions

TLS Online TPP Program

#Question id: 573

How is trypsinogen converted to trypsin?

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

A protein kinase-catalyzed phosphorylation converts trypsinogen to trypsin.
An increase in Ca2+ concentration promotes the conversion.
Proteolysis of trypsinogen forms trypsin.
Trypsinogen dimers bind an allosteric modulator, cAMP, causing dissociation into active trypsin monomers.

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TLS Online TPP Program

#Question id: 4971

#SCPH28 | Zoology

On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords?

TLS Online TPP Program

#Question id: 1265

#SCPH28 | Zoology

An example of an integrin containing cell junction is

TLS Online TPP Program

#Question id: 48

#SCPH05 I Biotechnology

Which of the following statements regarding enantiomers true?

TLS Online TPP Program

#Question id: 752

#SCPH05 I Biotechnology

The A260/A280 ratio of a double-stranded DNA sample can be used to assess its purity. The value for the pure DNA is ----------------

TLS Online TPP Program

#Question id: 1774

#SCPH05 I Biotechnology

hinge region provide flexibility to antibody. Which amino acid is responsible for these flexibility?