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TLS Online TPP Program

#Question id: 2927

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

#XL - T Zoology

  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: 3686

#XL - S Microbiology

The short strand of ........ primer is required for the replication of DNA:
TLS Online TPP Program

#Question id: 4615

#XL - S Microbiology

Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?
TLS Online TPP Program

#Question id: 356

#XL - Q Biochemistry

How does 0.5 M sucrose (molecular mass 342) solution compare to 0.5 M glucose (molecular mass 180) solution?
TLS Online TPP Program

#Question id: 4959

#XL - S Microbiology

If a fossil is encased in a stratum of sedimentary rock without any strata of igneous rock (e.g., lava, volcanic ash) nearby, then it should be
TLS Online TPP Program

#Question id: 18001

#XL - S Microbiology

Where in an angiosperm would you find a megasporangium?