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TLS Online TPP Program

#Question id: 5567

The cortical reaction of sea urchin eggs functions directly in ________.

#SCPH01 Biochemistry

  1. the formation of a fertilization envelope

  2. the production of a fast block to polyspermy

  3. the release of hydrolytic enzymes from the sperm

  4. the generation of an electrical impulse by the egg

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TLS Online TPP Program

#Question id: 849

#SCPH06 I Botany

The rigidity of the peptide unit and the restricted set of allowed phi and psi angles limits the number of structures accessible to the unfolded form sufficiently to allow:-
TLS Online TPP Program

#Question id: 4352

#SCPH28 | Zoology

How does extracellular glucose inhibit transcription of the lac operon?
TLS Online TPP Program

#Question id: 3671

#SCPH05 I Biotechnology

_____________ promotes recombination between specific sites on the plasmid if the same site occurs more than once in the molecule, as it would in a dimer or multimer.
TLS Online TPP Program

#Question id: 18370

#SCPH05 I Biotechnology

Corn, wheat, soybean, peas, and beans are few crops which are used as hyperaccumulators as they can 
TLS Online TPP Program

#Question id: 1065

#SCPH28 | Zoology

Resistance of some animals to certain viral diseases is based on