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TLS Online TPP Program

#Question id: 807

Which of the following forces can stabilize a normal DNA double-helix?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Base-stacking is a non-covalent interaction that occurs between the relatively hydrophobic bases in the interior of the helix.

  2. Base-pairing is a non-covalent interaction that occurs between adjacent bases in the same strand of the DNA molecule.

  3. The hydrophilic sugar-phosphate groups are on the exterior of the helix where they can interact with each other.

  4. The deoxyribose rings form N-glycosidic bonds with the phosphate groups that link neighboring nucleotides.

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TLS Online TPP Program

#Question id: 12830

#General Aptitude

If D and E are the mid-points of the side AB and AC respectively of the DABC in the figure given here, the shaded region of the triangle is what per cent of the whole triangular region?
TLS Online TPP Program

#Question id: 520

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes that catalyze the same reaction are called ________.
TLS Online TPP Program

#Question id: 31060

#Unit 4. Cell Communication and Cell Signaling

Active MAP kinase phosphorylates Raf on multiple sites, results: 
TLS Online TPP Program

#Question id: 10175

#Unit 6. System Physiology – Plant

if you take a plant that developed indoors and transfer it outdoors; after some time, if it is the right type of plant what will happened?
TLS Online TPP Program

#Question id: 28539

#Unit 5. Developmental Biology

 A gene that lacks the intracellular kinase domain and depend on interaction with other intracellular proteins, is called as___