Find true and false statements

A. In general, mutations occur at the same rate in both exons and introns, 

B. Exon mutations are eliminated more effectively by selection.

C. Introns may more freely accumulate point substitutions and other changes.

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#Question id: 11114

#Unit 7. System Physiology – Animal

The amount of air exchanged during normal quiet breathing is about:

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#Question id: 11115

#Unit 7. System Physiology – Animal

The nasal cavity is separated from the oral cavity by:

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#Question id: 11116

#Unit 7. System Physiology – Animal

Which one of the following structures is NOT part of the respiratory zone:

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#Question id: 11117

#Unit 7. System Physiology – Animal

The molecule that prevents lung collapse by lowering the surface tension of the water film lining each alveolar sac is called:

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#Question id: 11118

#Unit 7. System Physiology – Animal

The amount of air that can be forcibly exhaled after a tidal expiration is about:

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#Question id: 11119

#Unit 7. System Physiology – Animal

Which one of the following is NOT true of inspiration