Practice Questions

TLS Online TPP Program

#Question id: 58

A covalent chemical bond is one in which ________.

#Section 2: General Biology

electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged
protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms
outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals
outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom

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TLS Online TPP Program

#Question id: 18639

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

Which one of the following techniques is used for the evaluation of phylogenetic trees?

TLS Online TPP Program

#Question id: 18640

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

Bootstrapping technique in molecular phylogeny analysis is used to derive additional datasets by

TLS Online TPP Program

#Question id: 18641

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

Which one of the following is NOT an algorithm for building phylogenetic trees?

TLS Online TPP Program

#Question id: 18647

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

Which of the following technique used discontinuous type gel system

TLS Online TPP Program

#Question id: 18663

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

When a protein exists in mono-, di- and tri-phosphorylated forms. The difference of a couple of phosphate groups has no significant effect on the overall relative molecular mass of the protein, hence a single band on SDS gels, but the small charge difference introduced on each molecule can be detected by

TLS Online TPP Program

#Question id: 18668

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

Enzymes and antibody can easily be detected in samples subjected to electrophoresis on cellulose acetate, by using the