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TLS Online TPP Program

#Question id: 5223

In order to determine the probable function of a particular sequence of DNA in humans, what might be the most reasonable approach?

#Unit 11. Evolution and Behavior

  1. Prepare a knockout mouse without a copy of this sequence and examine the mouse phenotype.

  2. Genetically engineer a mouse with a copy of this sequence and examine its phenotype.

  3. Look for a reasonably identical sequence in another species, prepare a knockout of this sequence in that species and look for the consequences.

  4. Prepare a genetically engineered bacterial culture with the sequence inserted and assess which new protein is synthesized.

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TLS Online TPP Program

#Question id: 326

#Unit 1. Molecules and their Interaction Relevant to Biology

Dispersion force’s interaction energy is proportional to (take “r” as the distance between the two particles) ___________
TLS Online TPP Program

#Question id: 5553

#Unit 5. Developmental Biology

The notochord is a ___ structure in vertebrate embryos that lies under the ___, and is bordered by ___.
TLS Online TPP Program

#Question id: 5659

#Unit 5. Developmental Biology

 Following are the statements related to mammalian chaemotaxis .
A. During chaemotaxis, the oocyte and its accompanying cumulus cells secrete molecules that attract only uncapacitated sperm toward the egg during the last stages of sperm migration.
B. These chaemotactic compound are hormone progesterone, which is made by the cumulus cells.
C. Progesterone has been shown to bind to a receptor that activates Ca2+ channels in the cell membrane of the sperm tail, leading to sperm hyperactivity and provides directional cue.
D. Cumulus cells also secrete a substance, CRISP1, that attracts sperm and hyperactivates them through CatSper channels similar as in sea urchins.
Which of  the following statement is incorrect?
TLS Online TPP Program

#Question id: 23313

#General Aptitude

A scheduled caste student is visiting the class only to get his scholarship. What provisions will you make to attract his attention towards education?
TLS Online TPP Program

#Question id: 17196

#Unit 7. System Physiology – Animal

What happens when the stressor remains during the GAS?