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TLS Online TPP Program

#Question id: 8703

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

#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: 5252

#8. Inheritance Biology

Which type(s) of genetic transfer lead to incorporation of new DNA into the bacterial chromosome?

I. Conjugation mediated by F factor

II. Hfr mediated conjugation

III. Transduction

IV. Transformation
TLS Online TPP Program

#Question id: 7700

#9. Diversity of Life Forms

The legless condition that is observed in several groups of extant reptiles is the result of ________.
TLS Online TPP Program

#Question id: 2968

#2. Cellular Organization

What is the name of the microtubule-organizing center found in animal cells as an identifiable structure present during all phases of the cell cycle?
TLS Online TPP Program

#Question id: 11131

#7. System Physiology – Animal

Which statement concerning the generation of an action potential is correct?
TLS Online TPP Program

#Question id: 19296

#13. Methods in Biology

Which vectors carry the longest foreign DNA fragments?