Which of the following types of mutation, resulting in an error in the mRNA just after the AUG start of translation, is likely to have the most serious effect on the polypeptide product?

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#Question id: 12218

#Unit 7. System Physiology – Animal

The control of gastric acid secretion in response to a meal involves several events that take place over a 4- or 5-hr period following the meal. These events include

(1) a decrease in the pH of the gastric contents,

(2) an increase in the rate of acid secretion,

(3) a decrease in the rate of acid secretion, and

(4) an increase in the pH of the gastric contents. Which of the following best describes

the correct temporal order of events over a 4- or 5-hr period following a meal?

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#Question id: 5803

#Unit 8. Inheritance Biology

The mutation which causes sickle cell anemia in humans:

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#Question id: 3927

#Unit 3. Fundamental Processes

An operon is __

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#Question id: 18930

#Unit 13. Methods in Biology

The genomic DNA to be cloned is prepared by partial digestion with restriction endonucleases to obtain a suitable fragment size. Genomic fragments are then separated by using

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#Question id: 23078

#Unit 12. Applied Biology

What is the concentration of CO2 required for culturing animal cells?