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BIO 139 KCTCS ACTUAL TEST FULL QUESTIONS AND CORRECT ANSWERS EXAMPREP STUDY SHEET

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BIO 139 KCTCS ACTUAL TEST FULL QUESTIONS AND CORRECT ANSWERS EXAMPREP STUDY SHEET

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BIO 139 KCTCS ACTUAL TEST FULL
QUESTIONS AND CORRECT ANSWERS
EXAMPREP STUDY SHEET

●● The GI-Tract is also called the digestive tract or the _______ canal
Answer: alimentary


●● The esophagus connects which of the following structures?
Answer: pharynx to stomach


●● Which of the following produces saliva?
Answer: salivary glands


●● What is the function of saliva?
Answer: begin carbohydrate digestion


●● Salivary amylase digests ____
Answer: carbohydrates


●● Which enzyme digests carbohydrates?
Answer: Amylase

, ●● Which enzyme digests proteins?
Answer: pepsin


●● Which enzyme digests lipid (fat)?
Answer: lipase


●● Which enzyme digests DNA or RNA?
Answer: nucleosidase


●● What is the simple test to detect a present of simple sugars?
Answer: Benedict's test


●● Which color change represents a positive reaction for the presence of
simple sugars using the Benedict's test?
Answer: blue to orange


●● In the lab experiment, tube 4 had starch in it just like tube 1 and 2
but did not show reaction with Benedict's reagent. Why not?
Answer: Tube 4 did not have amylase in ut


●● In the lab experiment, tube 3 did not have starch or amylase in it.
Why did it show positive reaction with Benedict's reagent?

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