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TLS Online TPP Program

#Question id: 8703

In a comparison of birds and mammals, having four limbs is ________.

#SCPH06 I Botany
  1. a shared ancestral character
  2. a shared derived character
  3. a character useful for distinguishing birds from mammals
  4. an example of analogy rather than homology
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TLS Online TPP Program

#Question id: 12938

#SCPH05 I Biotechnology

What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?
1. It has ability to clone very large fragments of DNA.
2. YAC vectors do not contain origin of replication sites 
3. It has insert  range up to 2000 kb.
4. It help in genome mapping and sequencing projects.
TLS Online TPP Program

#Question id: 18635

#SCPH05 I Biotechnology

Number of unrooted trees in a phylogeny of five sequences is –
TLS Online TPP Program

#Question id: 27193

#SCPH05 I Biotechnology

In a first order reaction, 10% of the reactant is consumed in 25 minutes. Calculate : 
(1) The half-life period of the reaction
TLS Online TPP Program

#Question id: 3875

#SCPH28 | Zoology

Splicing of introns in nuclear mRNA primary transcripts requires:
TLS Online TPP Program

#Question id: 18654

#SCPH01 Biochemistry

The pH of (i) stacking, (ii) resolving gel and (iii) tank buffer in SDS PAGE is respectively.