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Biol 1610 - Class 5: pH Pre-Class Questions & Answers
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Biol 1610 - Class 5: pH Pre-Class Questions & Answers 1) What is the unique ability of the giant clam Tridacna crocea? - ANS-It can bore fully into coral rock 2) Which hypothesis of mechanism of coral boring was supported by the investigation? - ANS-Acid secretion 3) Which hypothesis/hypotheses is/were proposed to explain the unique ability of the clam? -Mechanical Rasping -Acid secretion -Non-Acid Chemical Boring -All of the above - ANS-All of the above 4) The boring tissue of the clam (aka pedal mantle) reduces the pH of the coral surface by how many pH units? - ANS-2 5) A change in one pH unit corresponds to a ______-fold change in hydrogen ion concentration? (Hint: Read explanation of pH on page 36 of your textbook) -
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