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TLS Online TPP Program

#Question id: 8703

In a comparison of birds and mammals, having four limbs is ________.

#Unit 9. Diversity of Life Forms
  1. a shared ancestral character
  2. a shared derived character
  3. a character useful for distinguishing birds from mammals
  4. an example of analogy rather than homology
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TLS Online TPP Program

#Question id: 3859

#Unit 3. Fundamental Processes

Polyadenylation is:
TLS Online TPP Program

#Question id: 3860

#Unit 3. Fundamental Processes

Guide RNAs:
TLS Online TPP Program

#Question id: 3861

#Unit 3. Fundamental Processes

_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.
TLS Online TPP Program

#Question id: 3863

#Unit 3. Fundamental Processes

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 3864

#Unit 3. Fundamental Processes

RNA polymerase:
TLS Online TPP Program

#Question id: 3865

#Unit 3. Fundamental Processes

Which of the following statements about E. coli RNA polymerase is false?