In a hospital laboratory, a 10.0 mL sample of gastric juice, obtained several hours after a meal, was titrated with 0.1 M NaOH to neutrality; 7.2 mL of NaOH was required. The patient’s stomach contained no ingested food or drink, thus assume that no buffers were present. What was the pH of the gastric juice?

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#Question id: 11019

#7. System Physiology – Animal

An 80-year-old man had an EKG taken at his local doctor’s office, and the diagnosis was atrial fibrillation. Which of the following statements are likely conditions in someone with atrial fibrillation?

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#Question id: 2956

#2. Cellular Organization

The product of the cdc2 gene is

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#Question id: 20986

#12. Applied Biology

In consistent fashion the btex hydrocarbon decay is linked with __________as the terminal electron acceptor.

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#Question id: 3869

#3. Fundamental Processes

Which one of the following statements about E. coli RNA polymerase (core enzyme) is false?

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#Question id: 8934

#9. Diversity of Life Forms

At which developmental stage should one be able to first distinguish a protostome embryo from a deuterostome embryo?