The gastric phase of gastric secretion accounts for about 60% of the acid response to a meal. Which of the following can virtually eliminate the secretion of acid during the gastric phase?

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#Question id: 16315

#Unit 7. System Physiology – Animal

Eustress

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#Question id: 5299

#Unit 8. Inheritance Biology

One particular group of mutant strains specifically required the amino acid arginine to grow, and these arginine auxotrophs formed the basis of their subsequent analysis, given in table 

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#Question id: 4131

#Unit 3. Fundamental Processes

Aminoacyl-tRNA synthetases (amino acid activating enzymes):

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#Question id: 5289

#Unit 8. Inheritance Biology

A donor strain of bacteria with genes a+b+c+ is infected with phages to map the donor chromosome with transduction. The phage lysate from the bacterial cells is collected and used to infect a second strain of bacteria that are a_ b_ c_.

Based on the above, which one of the following conclusions is correct?

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#Question id: 11651

#Unit 10. Ecological Principles

Succession on a newly exposed site that was not previously occupied by soil and vegetation refers to