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TLS Online TPP Program

#Question id: 3949

Which of the following observations supports the view that ribosomal RNA has catalytic activity?

#Unit 3. Fundamental Processes

  1. The base sequence of rRNAs is highly conserved, whereas the amino acid sequence of ribosomal protein is not.

  2. Bacteria that develop antibiotic resistance have base substitutions on the rRNA, but do not have amino acid substitutions on the ribosomal proteins.

  3. The peptidyl transferase reaction is sensitive to ribonucleases.

  4. All of the above.

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TLS Online TPP Program

#Question id: 27026

#Unit 10. Ecological Principles

Toxic substances that are effective such as Cyanogenic compounds (Atropine) are the example of
TLS Online TPP Program

#Question id: 10529

#Unit 6. System Physiology – Plant

Insects produces an elicitors molecules that is caeliferins at the wound site in Arabidopsis plant, which induces
TLS Online TPP Program

#Question id: 10444

#Unit 6. System Physiology – Plant

Which protein is involved in the crosstock signalling with the phytochrome and initiates photomorphogenesis?
TLS Online TPP Program

#Question id: 24237

#Unit 4. Cell Communication and Cell Signaling

What are the two major components of the extracellular matrix?
TLS Online TPP Program

#Question id: 5046

#Unit 5. Developmental Biology

During early cleavage stages in drosophila, nuclei divide through 13 cycles in the absence of any cytoplasmic cleavage. This division creates an embryo of many nuclei contained within one shared cytoplasm surrounded by one common plasma membrane, this process is called as-