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TLS Online TPP Program

#Question id: 3274

The common edible frog of Europe is a hybrid between two species, Rana lessonae and Rana ridibunda. The hybrids were first described in 1758 and have a wide distribution, from France across central Europe to Russia. Both male and female hybrids exist, but when they mate among themselves, they are rarely successful in producing offspring. What can you infer from this information?

#SCPH06 I Botany

  1. Postzygotic isolation exists between the two frog species.

  2. Prezygotic isolation exists between the two frog species.

  3. These two species are likely in the process of fusing back into one species.

  4. The hybrids form a separate species under the biological species concept.

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TLS Online TPP Program

#Question id: 1630

#I Life Science/ Life Sciences Group – I-V

Which of the following statements is TRUE of plasma cells?
TLS Online TPP Program

#Question id: 18379

#SCPH28 | Zoology

Bioaugmentation is the introduction of __________ to enhance the contaminant degradation
TLS Online TPP Program

#Question id: 823

#SCPH28 | Zoology

chaotropic agents such as guanidinium ion and urea, the efficiency of the chaotropic agent is measured in terms of-
TLS Online TPP Program

#Question id: 5094

#SCPH01 Biochemistry

Cell migration occurs extensively during ________.
TLS Online TPP Program

#Question id: 15139

#SCPH01 Biochemistry

Which one of the following is NOT a structure or structurally derived database?