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TLS Online TPP Program

#Question id: 4968

Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?

#XL - S Microbiology

  1. the existence of structural and molecular differences between the plasma membranes of prokaryotes and the internal membranes of mitochondria and chloroplasts

  2. the existence of size differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts

  3. the existence of size differences between some prokaryotic cells and mitochondria

  4. the existence of rRNA sequence differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts

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TLS Online TPP Program

#Question id: 4906

#XL - R Botany

Shell coiling is a maternal effect phenotype controlled by S gene where S is dominant dextral phenotype over s sinistral phenotype. Dextral coiling Ss male snail was cross with sinistral coiling ss female snail, The phenotype of progeny is 
TLS Online TPP Program

#Question id: 32932

#XL - S Microbiology

Which of the following statements are NOT TRUE for archaea?
TLS Online TPP Program

#Question id: 10230

#XL - T Zoology

Closely related species whose populations are sometimes allopatric showing greater morphology similarity but in a sympatric with distinct morphology due to
TLS Online TPP Program

#Question id: 34197

#XL - S Microbiology

In a typical batch culture growth curve, which of the following can be used to monitor bacterial population over time?
TLS Online TPP Program

#Question id: 15521

#XL - S Microbiology

Rearrangement of the β, γ, and δ loci begins during the