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TLS Online TPP Program

#Question id: 4531

Specific elements called insulators control the actions of activators. When placed between an enhancer and a promoter,

#Unit 3. Fundamental Processes

  1. Neither the activators at the enhancer nor the promoter is inactivated

  2. Do not actively repress the promoter.

  3. Inhibits activation of the gene by that enhancer.

  4. And the original promoter can be activated by another enhancer placed downstream.

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TLS Online TPP Program

#Question id: 23089

#Unit 12. Applied Biology

Rhizosphere biodegradation depends on relationships between green plants and _____.
TLS Online TPP Program

#Question id: 23219

#Unit 13. Methods in Biology

Immunoelectron microscopy is used for localizing proteins in thin sections at the electron microscope level. What is use to make antibody visible?
TLS Online TPP Program

#Question id: 28309

#Unit 5. Developmental Biology

Which of the following chemotactic factor is secreted by oocyte and its cumulus cells that involve to attract capacitated sperm toward the egg during the last stages of sperm migration?
TLS Online TPP Program

#Question id: 4525

#Unit 3. Fundamental Processes

CTF1 (CCAAT-binding transcription factor 1) belongs to a family of transcription activators that bind a sequence called the CCAAT site
TLS Online TPP Program

#Question id: 14781

#Unit 13. Methods in Biology

A pack of cards contains 4 aces, 4 queens and 4 jacks. Two cards are drawn at random. The probability that at least one of them is an ace is