Amylase and starch are mixed and placed at 0 degrees. After the IKI test, the solution turns black. A Benedict's test yields a negative result. Was the starch digested? How do you know?
A) Some was digested; the starch test showed some starch and the Benedict's test showed some sugars.
B) No, the Benedict's test revealed no sugars in solution.
C) Yes, the starch test indicated that no starch remained, and the Benedict's test revealed the presence of sugars in solution.
Correct Answer:
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Q9: Swallowing_ .
A)is voluntarily controlled in the mouth,
Q10: This enzyme, produced by the salivary glands,
Q11: In the assay in which fat was
Q12: The pancreas produces this protein- digesting enzyme.
A)trypsin
B)dipeptidase
C)pepsin
Q13: Digestive enzymes _.
A)are produced only within the
Q15: Peristaltic waves occur in all of the
Q16: Which type of movement in the GI
Q17: Which of the following enzymes digests carbohydrates?
A)sucrase
B)amylase
C)lactase
D)amylase,
Q18: The digestive enzymes tested in the laboratory
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