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TLS Online TPP Program

#Question id: 11102

Pulmonary surfactant

#Unit 7. System Physiology – Animal
  1. keeps the alveoli from collapsing by reducing the surface tension.
  2. inflates the alveoli by increasing the surface tension.
  3. keeps the alveoli from collapsing by increasing the surface tension.
  4. increases the rate of gas exchange across the alveoli by the secretion of phospholipids.
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TLS Online TPP Program

#Question id: 12649

#Unit 6. System Physiology – Plant

lipoxygenases biosynthetic enzymes of jasmonic acid function takes place in____
TLS Online TPP Program

#Question id: 3486

#Unit 11. Evolution and Behavior

Which of the following might affect the foraging behavior of an animal in the context of optimal foraging?

A) risk of predation

B) prey size

C) prey defenses
TLS Online TPP Program

#Question id: 13197

#Unit 1. Molecules and their Interaction Relevant to Biology

In helical nature of DNA is its periodicity each base pair is displaced (twisted) from the previous one by
TLS Online TPP Program

#Question id: 26341

#Unit 2. Cellular Organization

Which of the following statement is true regarding introns.
TLS Online TPP Program

#Question id: 12059

#Unit 7. System Physiology – Animal

A 19-year-old man is fed intravenously for several weeks following a severe automobile accident. The intravenous feeding leads to atrophy of the gastrointestinal mucosa most likely because the blood level of which of the following hormones is reduced?