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TLS Online TPP Program

#Question id: 2728

Which of the following does not describe retrotransposons?

#Unit 2. Cellular Organization

  1. A reverse transcriptase copies a RNA transcript into double stranded DNA

  2. They have terminal inverted repeats

  3. The enzyme transposase inserts the RNA transcript into a cell's genome

  4. They are similar to the genomes of retroviruses

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TLS Online TPP Program

#Question id: 988

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which is the precursor of all pyrimidine ribo- and deoxyribonucleotides?
TLS Online TPP Program

#Question id: 29059

#Unit 10. Ecological Principles

which of the following factor are responsible for the adaptation of water viscosity?
a) large appendages
b) small aquatic organism
c) streamlined shapes
TLS Online TPP Program

#Question id: 32315

#Unit 2. Cellular Organization

What triggers the release of the LDL particle from its receptor in the endosome?
TLS Online TPP Program

#Question id: 2565

#Unit 2. Cellular Organization

Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
TLS Online TPP Program

#Question id: 5547

#Unit 5. Developmental Biology

 Cells that rove from somites form the