TLS Online TPP Program

#Question id: 2620


Which option is correct about catabolite activator protein binds as

#SCPH28 | Zoology
  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: 8712

#SCPH28 | Zoology

The lakes of northern Minnesota are home to many similar species of damselflies of the genus Enallagma. These species have apparently undergone speciation from ancestral stock since the last glacial retreat about 10 thousand years ago. Sequencing which of the following would probably be most useful in sorting out evolutionary relationships among these closely related species?

TLS Online TPP Program

#Question id: 8713

#SCPH28 | Zoology

Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of sequence homology? Dogs and wolves ________.

TLS Online TPP Program

#Question id: 8714

#SCPH28 | Zoology

The reason that paralogous genes can diverge from each other within the same gene pool, whereas orthologous genes diverge only after gene pools are isolated from each other, is that ________.

TLS Online TPP Program

#Question id: 8715

#SCPH05 I Biotechnology

Which of the following items is most likely to form a simple linear relationship with the number of gene-duplication events, when placed as the label on the vertical axis of the following graph?

TLS Online TPP Program

#Question id: 8715

#SCPH28 | Zoology

Which of the following items is most likely to form a simple linear relationship with the number of gene-duplication events, when placed as the label on the vertical axis of the following graph?

TLS Online TPP Program

#Question id: 8716

#SCPH05 I Biotechnology

The most important feature that permits a gene to act as a molecular clock is ________.