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TLS Online TPP Program

#Question id: 3944

One way to tell if RNA polymerase II is in the process of transcribing an mRNA is to:

#Unit 3. Fundamental Processes

  1. check for the presence of a repeated 7-amino acid sequence at the C-terminal domain.

  2. check for phosphorylation at the C-terminal domain.

  3. both a and b

  4. neither a nor b

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TLS Online TPP Program

#Question id: 4901

#Unit 8. Inheritance Biology

Assume that the alleles A (dominant) and a (recessive) show a maternal effect mode of inheritance. In a cross between an Aa female and an aa male, what would be the phenotypes of the progeny?
TLS Online TPP Program

#Question id: 10736

#Unit 10. Ecological Principles

Ecotones are:
TLS Online TPP Program

#Question id: 5119

#Unit 5. Developmental Biology

when the presumptive eye region from a gastrula is grafted into the trunk region of another neurula, it develops to somitic tissue; whereas transplant from eye region of later stage neurula develops as an eye-like structure in host embryo. Which statement describes the results best?

 
TLS Online TPP Program

#Question id: 4613

#Unit 11. Evolution and Behavior

The questions below refer to the following evolutionary tree, in which the horizontal axis represents time (present time is on the far right) and the vertical axis represents morphological change.  Which species is most closely related to species W?
TLS Online TPP Program

#Question id: 19186

#Unit 13. Methods in Biology

In another method of quantitative PCR, reporter-quencher set up is used. Which of the statement holds true for this methodology?