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TLS Online TPP Program

#Question id: 2639

A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________

#Unit 2. Cellular Organization

  1. Dimer inactivated when bound to the inducer

  2.  Dimer activated on inducer binding

  3. Tetramer inactivated on inducer binding

  4. Tetramer activated on inducer binding

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TLS Online TPP Program

#Question id: 717

#Unit 1. Molecules and their Interaction Relevant to Biology

What is Φ & Ψ angles for collagen triple helix?
TLS Online TPP Program

#Question id: 5633

#Unit 5. Developmental Biology

During slow block to polyspermy, the components of the cortical granules bind to the _______ to form a fertilization envelope.
TLS Online TPP Program

#Question id: 34124

#Unit 7. System Physiology – Animal

Which of the following is produced only by large amounts of glucocorticoids?
TLS Online TPP Program

#Question id: 5464

#Unit 8. Inheritance Biology

Two varieties of maize averaging AABBCC (200 inch) and aabbcc (80 inch) in height, respectively, are crossed. The F1 progeny is quite uniform averaging 140 inches in height allowed to self fertilization. If height is control by 3 pair of polygene, what is the height of following genotype of F2 plant?

I- AaBBCC     II- aaBbCC       III- aabbCc
TLS Online TPP Program

#Question id: 23705

#Unit 13. Methods in Biology

Which of the following is used to make complementary DNA (cDNA) from RNA?