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TLS Online TPP Program

#Question id: 16100

Heat-loss mechanism:

#Unit 7. System Physiology – Animal
  1. by radiation and convection increase when the ambient temperature decreases
  2. by evaporation; depend on the activity of sweat glands being under sympathetic muscarinic control
  3. are controlled by the anterior hypothalamus
  4. cause an increase in sympathetic tone to skin blood vessels
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TLS Online TPP Program

#Question id: 428

#Unit 1. Molecules and their Interaction Relevant to Biology

The most biochemically complex organisms are ________.
TLS Online TPP Program

#Question id: 5695

#Unit 8. Inheritance Biology

Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to
TLS Online TPP Program

#Question id: 10248

#Unit 10. Ecological Principles

Factors involved in an animal’s foraging "strategy" are
TLS Online TPP Program

#Question id: 10979

#Unit 7. System Physiology – Animal

Which of the following conditions at the A-V node will cause a decrease in heart rate?
TLS Online TPP Program

#Question id: 16477

#Unit 12. Applied Biology

Individual cell lineages are first isolated from an organ they are then grown separately to high density in a three- dimensional matrix. This  type of culture is called