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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: 8860

#Unit 9. Diversity of Life Forms

A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?
TLS Online TPP Program

#Question id: 8861

#Unit 9. Diversity of Life Forms

Which of the following is true of members of the phylum Cnidaria?
TLS Online TPP Program

#Question id: 8862

#Unit 9. Diversity of Life Forms

The members of which class of the phylum Cnidaria occur only as polyps?
TLS Online TPP Program

#Question id: 8863

#Unit 9. Diversity of Life Forms

Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae? 
TLS Online TPP Program

#Question id: 8864

#Unit 9. Diversity of Life Forms

Corals are most closely related to which group?
TLS Online TPP Program

#Question id: 8886

#Unit 9. Diversity of Life Forms

Which characteristic is shared by both cnidarians and flatworms?