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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: 2145

#Unit 2. Cellular Organization

An electrogenic Na+ transporter:
TLS Online TPP Program

#Question id: 3821

#Unit 3. Fundamental Processes

Which mechanism contributes to accuracy during DNA replication?
TLS Online TPP Program

#Question id: 3345

#Unit 11. Evolution and Behavior

Some evolutionary force lead to genetic differences between populations while following are counteracts this tendency and tends to keep populations homogeneous in their allelic frequencies?
TLS Online TPP Program

#Question id: 12609

#Unit 10. Ecological Principles

Which of the following is an example of an ecosystem?
TLS Online TPP Program

#Question id: 24212

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement
a. Hexokinases IV remains sequesters in the nucleus in case of high F-6-P and high ATP
b. Hexokinases IV remains sequesters in the cytoplasm in case of high F-6-P and high ATP
c. Hexokinase requires Mg+2 for its activity, because the true substrate of the enzyme is not ATP4- but the MgATP2- complex.
d. Hexokinase requires Mg+2 for its activity, because the true substrate of the enzyme is MgATP4- but not the MgATP2- complex.