Practice Questions

TLS Online TPP Program

#Question id: 11556

During mammalian labor and delivery, the contraction of uterine muscles is enhanced by oxytocin. This is an example of ________.

#Part-B Specialized Branches in Biotechnology

a negative feedback system
a hormone that acts in an antagonistic way with another hormone
a hormone that is involved in a positive feedback loop
signal transduction immediately changing gene expression in its target cells

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TLS Online TPP Program

#Question id: 9285

#Part-B Specialized Branches in Biotechnology

Non-O2-evolving (anoxygenic) organisms, contain only a single photosystem such as

TLS Online TPP Program

#Question id: 18710

#Part-A Aptitude & General Biotechnology

qPCR graph is drawn between ∆Rn and PCR cycle In this graph CT represents

TLS Online TPP Program

#Question id: 19046

#Part-A Aptitude & General Biotechnology

Which of the following techniques is used to study the three-dimensional structure of a molecule?

TLS Online TPP Program

#Question id: 361

#Part-A Aptitude & General Biotechnology

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.

TLS Online TPP Program

#Question id: 5244

#Part-A Aptitude & General Biotechnology

Transformation can used to map bacterial gene, which of the following statement is correct?