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#Question id: 8896


Chordate pharyngeal slits appear to have functioned first as

#9. Diversity of Life Forms
  1. the digestive systemʹs opening.
  2. suspension-feeding devices.
  3. components of the jaw.
  4. gill slits for respiration.

Answer:- Option(s): 2


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#Question id: 11102

#7. System Physiology – Animal

Pulmonary surfactant

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#Question id: 11195

#7. System Physiology – Animal

Action potentials move along axons ________.

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#Question id: 16493

#12. Applied Biology

35S promoter sequences derived from cauliflower mosaic virus shows which type of expression.

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#Question id: 3280

#11. Evolution and Behavior

Small populations are threatened by the loss of genetic diversity from

a. Inbreeding

b. Genetic drift

c. Limited mating

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#Question id: 345

#1. Molecules and their Interaction Relevant to Biology

As the [H3O+] of the solution decreases, the [OH-] ________.

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