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TLS Online TPP Program

#Question id: 785

Several types of very short RNAs repress—or silence—expression of genes with homology to those short RNAs. They are produced from a variety of sources and direct the silencing of genes in the following different ways-

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Triggering destruction of the mRNA encoded by the target gene

  2. Inhibiting translation of the mRNA

  3. Inducing chromatin modifications within the target gene and thereby silencing its transcription

  4. All of the above

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TLS Online TPP Program

#Question id: 20004

#Unit 12. Applied Biology

In plants proline is preferentially produced from ornithine under which 
TLS Online TPP Program

#Question id: 7292

#Unit 5. Developmental Biology

How is plant cell cytokinesis different from animal cell cytokinesis?
TLS Online TPP Program

#Question id: 84

#Unit 1. Molecules and their Interaction Relevant to Biology

Below is the Fischer projection of D-galactose. Which is the proper Haworth projection of β-D-galactopyranose?
TLS Online TPP Program

#Question id: 2624

#Unit 2. Cellular Organization

What is negative regulation of lac operon
TLS Online TPP Program

#Question id: 5045

#Unit 5. Developmental Biology

When the four blastomere pairs of the 8-cell embryo are dissociated, each forms the structures it would have formed had it remained in the embryo, that means it undergoes to-