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TLS Online TPP Program

#Question id: 9571

All homeostatic systems used by organisms to regulate body temperature are described by which of the following?

#Unit 10. Ecological Principles
  1. They are able to maintain internal temperatures within 5°C of the "set point”
  2. They use a negative feedback process to accomplish temperature regulation
  3. They are independent of any external source of energy
  4. They are dependent on external cues (such as day length) to activate the system
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TLS Online TPP Program

#Question id: 935

#Unit 1. Molecules and their Interaction Relevant to Biology

Microorganisms capable of fixing nitrogen into a form usable by animals obtain the energy for this process from ________.
TLS Online TPP Program

#Question id: 19693

#Unit 13. Methods in Biology

The U wave is an inconstant finding that:
TLS Online TPP Program

#Question id: 24104

#General Aptitude

The designer window treatments in her house, installed 17 years ago, were outmoded.
TLS Online TPP Program

#Question id: 844

#Unit 1. Molecules and their Interaction Relevant to Biology

It is a given set of conditions that are required  for the maintenance of the active set of cellular proteins
TLS Online TPP Program

#Question id: 4319

#Unit 3. Fundamental Processes

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?