TLS Online TPP Program

#Question id: 12932


Why mRNA cannot be used directly in cloning?

#SCPH01 Biochemistry
  1. It is unstable.
  2. It does not have complementary molecules.
  3. It cannot be isolated.
  4. It's fragments cannot be formed.
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TLS Online TPP Program

#Question id: 1042

#SCPH06 I Botany

A student complains that it makes no sense to worry about coliform bacteria in water, since we naturally possess harmless coliforms in our intestines anyway. Why do regulatory agencies worry about coliform bacteria in water supplies, then?

TLS Online TPP Program

#Question id: 13108

#SCPH28 | Zoology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 
 Why is it that some people show three bands?

TLS Online TPP Program

#Question id: 4740

#SCPH01 Biochemistry

Following metabolic pathway for synthesis of anthocyanin product ? Which of the following cross produced all purple phenotype in their progeny ?

TLS Online TPP Program

#Question id: 6949

#SCPH06 I Botany

During gastrulation in Xenopus, the future mesoderm and endoderm move inside the embryo through the "blastopore"; in contrast, in chickens, gastrulation involves cells moving inward through the:

TLS Online TPP Program

#Question id: 13098

#SCPH05 I Biotechnology

You are a scientist who is using genomics to currently study a new bacterial species that no one has ever studied before. The following sequence is a piece of DNA within the coding region of a gene that you have recently sequenced.
 
How many of the 6 potential open reading frames are actually open in this sequence shown above?