Practice Questions

TLS Online TPP Program

#Question id: 27314

A feature of RNA that adds to its propensity to form double-helical structures is additional non-Watson–Crick base pairs. One such example is the G:U base pair, which has

#XL - T Zoology

hydrogen bonds between N1 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C2 of uracil and N1 of guanine.
hydrogen bonds between N3 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C6 of uracil and N7 of guanine.
hydrogen bonds between N3 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C2 of uracil and N1 of guanine.
hydrogen bonds between N3 of uracil and the carbonyl on C6 of guanine, and between the carbonyl on C2 of uracil and N7 of guanine.

More Questions

TLS Online TPP Program

#Question id: 14813

#XL - S Microbiology

Given following properties of immunogen which causes immunogenicity, except?

TLS Online TPP Program

#Question id: 19946

#XL - P Chemistry

If the value of azimuthal quantum number of an electron is 2, then which of the following values of magnetic quantum numbers is not permissible,

TLS Online TPP Program

#Question id: 27583

#XL - U Food Technology

Which of the Following is not an amino acid ?

TLS Online TPP Program

#Question id: 3659

#XL - S Microbiology

In eukaryotes, gap filling in BER involves predominantly DNA polymerase β whereas the longer gaps generated in NER are filled by:

TLS Online TPP Program

#Question id: 4949

#XL - T Zoology

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?