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TLS Online TPP Program

#Question id: 16964

Which statements is not true for Conservative characters

#Unit 11. Evolution and Behavior
  1. retained with little or no change over long periods among the many descendants of an ancestor
  2. humans retain the pentadactyl limb that first evolved in early amphibians
  3. All amphibians and reptiles have paired systemic aortic arches
  4. Evolution of DDT resistant Insect populations.
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TLS Online TPP Program

#Question id: 14486

#Unit 13. Methods in Biology

There are two bags, one of which contains 5 red and 7 white balls and the other 3 red and 12 white balls. A ball is to be drawn from one or other of the two bags, find the chance of drawing a red ball.
TLS Online TPP Program

#Question id: 5089

#Unit 5. Developmental Biology

The archenteron of the developing sea urchin eventually develops into the ________.
TLS Online TPP Program

#Question id: 19803

#Unit 12. Applied Biology

Cowpea trypsin inhibitor (cpti), serine protease inhibitor (aprotinin), are all used as alternative insecticidal proteins. They are inhibitors of 
TLS Online TPP Program

#Question id: 13122

#Unit 2. Cellular Organization

Choose the incorrect?
1- COPI vesicles transport proteins from the rough ER to the cis -Golgi; COPII vesicles transport proteins in the reverse s Direction.
2- The KDEL receptor binds more tightly to its ligand ar low pH, and it is thought that the receptor is able to bind KDEL peptides in the cis-Golgi but to release these peptides in the ER because the pH of the Golgi is slightly lower than that of the ER.
3- The KDEL sorting signal is recognized and bound by the KDEL receptor, a transmembrane protein found primarily on small transport vesicles shuttling between the ER and the cis -Golgi and on the cis-Golgi reticulum.
TLS Online TPP Program

#Question id: 8896

#Unit 9. Diversity of Life Forms

Chordate pharyngeal slits appear to have functioned first as