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TLS Online TPP Program

#Question id: 12434

Nitrifying bacteria participate in the nitrogen cycle mainly by

#Unit 10. Ecological Principles
  1. Converting nitrogen gas to ammonia.
  2. Releasing ammonium from organic compounds, thus returning it to the soil. 
  3. Converting ammonia to nitrogen gas, which returns to the atmosphere.
  4. Converting ammonium to nitrate, which plants absorb.
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TLS Online TPP Program

#Question id: 5547

#Unit 5. Developmental Biology

 Cells that rove from somites form the
TLS Online TPP Program

#Question id: 5548

#Unit 5. Developmental Biology

Vertebrate lungs are derived from
TLS Online TPP Program

#Question id: 5549

#Unit 5. Developmental Biology

During initial stages of vertebrate cleavage, successive blastomeres
TLS Online TPP Program

#Question id: 5550

#Unit 5. Developmental Biology

The vertebrate nervous system is derived from
TLS Online TPP Program

#Question id: 5551

#Unit 5. Developmental Biology

When the vertebrate embryo grows into a hollow ball, it is called a
TLS Online TPP Program

#Question id: 5552

#Unit 5. Developmental Biology

Soon after gastrulation, dorsal ectodermal cells condense and form a tube called the _______________ tube.