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TLS Online TPP Program

#Question id: 5753

A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a

#SCPH28 | Zoology

  1. forward mutation

  2. suppressor mutation

  3. auxotrophic mutation

  4. back mutation

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TLS Online TPP Program

#Question id: 316

#SCPH05 I Biotechnology

Which of these noncovalent forces in biological systems is usually the strongest?
TLS Online TPP Program

#Question id: 1714

#SCPH01 Biochemistry

In a lymph node, the antigen pneumococcus polysaccharide SIII leads to:
TLS Online TPP Program

#Question id: 9567

#SCPH28 | Zoology

Which part of the electromagnetic spectrum is the photosynthetically active region?
TLS Online TPP Program

#Question id: 5240

#SCPH28 | Zoology

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?
TLS Online TPP Program

#Question id: 12939

#SCPH06 I Botany

Choose the incorrect statement for the production of site-directed mutations.