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TLS Online TPP Program

#Question id: 2927

Site-directed mutagenesis of Tyr-15 to Phe in cdc2:

#Unit 2. Cellular Organization

  1. results in the wee mutant phenotype.

  2. results in a phenotype similar to that caused by mutation in cdc25.

  3. increases the possible number of phosphate groups on Cdc2.

  4. prevents binding of Cdc13.

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TLS Online TPP Program

#Question id: 27929

#Unit 11. Evolution and Behavior

Which of the following phenomenon could be used to directly examine genetic variation?
a) RPLC
b) RFLP
c) DNA sequencing
d) NPLC
TLS Online TPP Program

#Question id: 27930

#Unit 11. Evolution and Behavior

Positive selection  are represented as__
TLS Online TPP Program

#Question id: 27931

#Unit 11. Evolution and Behavior

Match the following evolutionary changes with their pattern of evolution

 Pattern of Evolution Evolutionary changes
 A- Microevolution (i) the evolutionary change happening at the level of species
 B- Macroevolution (ii) the evolutionary changes at large-scale and happening at the level of class and phyla or division 
 C- Megaevolution (iii) the evolutionary change happening below the level of species
TLS Online TPP Program

#Question id: 27932

#Unit 11. Evolution and Behavior

Which of the following are the most common driving force of microevolution is 
TLS Online TPP Program

#Question id: 27933

#Unit 11. Evolution and Behavior

The evolutionary change happening below the level of species
TLS Online TPP Program

#Question id: 27934

#Unit 11. Evolution and Behavior

Finches of Galapagos island, Colour change in peppered moth, DDT resistant and antibiotic resistant (Insect and bacteria), these all are examples of____