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TLS Online TPP Program

#Question id: 4990

Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then species W and Y

#XL - S Microbiology

  1. have genomes that are still similar enough for successful meiosis to occur in hybrid flies.

  2. have more genetic similarity with each other than either did with the other two species.

  3. may fuse into a single species if their hybrids remain fertile over the course of many generations.

  4. A, B, and C

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TLS Online TPP Program

#Question id: 4601

#XL - S Microbiology

DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?
TLS Online TPP Program

#Question id: 45

#XL - Q Biochemistry

What is the standard free-energy change, ΔG°, under physiological conditions (E. coli grows in the human gut, at 37 °C) for the following reaction? (Keq = 7.8 × 10^2)

Glucose + ATP → glucose 6-phosphate + ADP
TLS Online TPP Program

#Question id: 4905

#XL - R Botany

Which of the correct feature of genetic material effect?
TLS Online TPP Program

#Question id: 8289

#XL - T Zoology

The term convergent evolution is most applicable to which of the following features?
TLS Online TPP Program

#Question id: 2130

#XL - T Zoology

Peripheral membrane proteins: