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TLS Online TPP Program

#Question id: 41072

Q.Which of the following scenarios is a dominant-negative mutation most likely to be observed?

#Unit 8. Inheritance Biology
  1. When the gene product is an enzyme that functions exclusively as a monomer.
  2. When the protein normally functions as part of a dimer or multimeric complex.
  3. When the mutation causes a complete deletion of the gene locus.
  4. When the mutant protein is rapidly degraded before it can interact with any other cellular components.
More Questions
TLS Online TPP Program

#Question id: 3654

#Unit 3. Fundamental Processes

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
TLS Online TPP Program

#Question id: 3655

#Unit 3. Fundamental Processes

The mismatched base is removed from the daughter strand of DNA by:
TLS Online TPP Program

#Question id: 3656

#Unit 3. Fundamental Processes

In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.
TLS Online TPP Program

#Question id: 3657

#Unit 3. Fundamental Processes

Mutations in excision repair genes or a translesion DNA polymerase cause:
TLS Online TPP Program

#Question id: 3658

#Unit 3. Fundamental Processes

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.
TLS Online TPP Program

#Question id: 3659

#Unit 3. Fundamental Processes

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