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TLS Online TPP Program

#Question id: 2620

Which option is correct about catabolite activator protein binds as

#Unit 2. Cellular Organization

  1. Tetramer to a site similar in length to that of the lac operator

  2. This site is located some 60 bp upstream of the start site of transcription

  3. When CAP binds to that site, the activator helps polymerase bind to the operator

  4. This cooperative binding stabilizes the binding of polymerase to the promoter

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TLS Online TPP Program

#Question id: 6967

#Unit 5. Developmental Biology

Gastrulation in sea urchins, Drosophila, and Xenopus all begin with a change in cell shape, in which the apical surface of an epithelial sheet contracts. This process is called:
TLS Online TPP Program

#Question id: 548

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following statements is true of enzyme catalysts?
TLS Online TPP Program

#Question id: 17198

#Unit 7. System Physiology – Animal

What is the role of endorphins?
TLS Online TPP Program

#Question id: 3018

#Unit 2. Cellular Organization

In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the
TLS Online TPP Program

#Question id: 10301

#Unit 6. System Physiology – Plant

Which one of the following enzyme are not invlved in reduction of NAD+?