Lab18 The Reproductive System BIO202L
Student Name:
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Access Code (located on the lid of your lab kit): Click here to enter text.
Experiment 1: Microscopic Anatomy of the Reproductive System
Post-Lab Questions
“1. Label the slide images“
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“2. What type of epithelium did you observe in the prepared slide of the penis? “
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“3. Which layer of the uterus forms a new functional layer each month? “
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Experiment 2: Virtual Model – The Reproductive System
Insert screenshot of the seminal vesicle:
Insert screenshot of the epididymis:
Insert screenshot of the corpus luteum:
Insert screenshot of the endometrium:
Post-Lab Questions
1. What is the most superior part of the male reproductive system? What is the most superior part of the female reproductive system?
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Which component of the female reproductive tract is more medial: the corpus luteum or the myometrium?
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How many seminal vesicle(s) are there in the male reproductive system?
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Relate the location of the myometrium to the endometrium.
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Relate the location of the prostate to the deferent duct.
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Experiment 3: Fetal Pig Dissection: The Reproductive System
Post-Lab Questions
“1. Describe any observations you made while dissecting the reproductive system of your pig. “
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“2. What is meant by urogenital opening? “
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“3. Why do most male mammals have testes in an external sac? “
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“4. What are two functions of the vagina? “
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“Insert photo of your pig’s exposed testes/ovaries with your name and access code handwritten clearly in the background: “
Lab17 Nutrition BIO202L
Student Name:
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Access Code (located on the lid of your lab kit): Click here to enter text.
Pre-Lab Questions:
”1. How do the intake of nutrients and expenditure of energy relate to a metabolic level?”
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”2. Do you think you take in more calories than you burn in a day? Why or why not? ”
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Experiment 1: Tracking Your Nutrition
Macronutrient Graph Screenshot:
”Analysis:
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Experiment 2: Testing for Reducing Sugars
Table 1. Testing for Proteins Results
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Initial Color
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Final Color
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Protein Present?
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Albumin (1)
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Gelatin (2)
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Glucose (3)
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Water (4)
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Table 2. Testing for Reducing Sugars Results
Sample
Initial Color
Hypothesis
(Reducing Sugar +/-)
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Final Color
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Reducing Sugar Present?
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Potato (1)
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Onion (2)
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Glucose (3)
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Water (4)
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Table 3. Testing for Starch Results
Sample
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Hypothesis
(Starch +/-)
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Final Color
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Starch Present?
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Potato (1)
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Onion (2)
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Starch (3)
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Water (4)
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Table 4. Testing an
Unknown
– Proteins
Sample
Initial Color
Hypothesis (Protein +/-)
Final Color
Protein Present?
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Positive Control (1):
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Negative Control (2):
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Unknown (3)
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Table 5. Testing an Unknown – Reducing Sugars
Sample
Initial Color
Hypothesis (Reducing Sugar +/-)
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Final Color
Reducing Sugar Present?
Positive Control (1):
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Negative Control (2):
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Unknown (3)
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Table 6. Testing an Unknown – Starch
NOTE: Before filling in this table, take a screenshot of your test tubes to include at the end of this document.
Sample
Initial Color
Hypothesis
(Starch +/-)
Final Color
Starch Present?
Positive Control (1):
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Negative Control (2):
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Unknown
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Post-Lab Questions
”1. Write a statement to explain the molecular composition of the unknown solution based on the results obtained during testing with each reagent. ”
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”2. What can you conclude about the molecular make-up of potatoes and onions based on the tests you performed? Why might these foods contain these substances? ”
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”3. What results would you expect if you tested ribose, a monosaccharide, with Benedict’s solution? What results would you expect if you tested it with IKI? ”
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”4. Diet and nutrition are closely linked to the study of biomolecules. How should you monitor your food intake to insure the cells in your body have the materials necessary to function? ”
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”Insert a screenshot of your test tubes after the starch test from “Testing An Unknown”: ”
Lab
1
6 The Digestive System
BIO
2
02L
Student Name:
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Access Code (located on the lid of your lab kit): Click here to enter text.
Pre-Lab Questions:
”1. Explain the digestion that occurs in the oral cavity.”
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”2. What is the function of the liver in digestion? ”
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”
3
. What role does the gall bladder play in digestion? ”
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”
4
. Why is the orientation of muscle of the stomach wall important? How does this contribute to its function? ”
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Experiment 1: Microscopic Anatomy of the Digestive System
Post-Lab Questions
”1. Label the items in the following slide pictures. ”
A- Click here to enter text.
B- Click here to enter text.
C- Click here to enter text.
D- Click here to enter text.
E- Click here to enter text.
Draw the digital slide of the esophagus. Insert your drawing here. Remember that your drawing should have your name and access code handwritten in the background.
Draw the digital slide of the small intestine. Insert your drawing here. Remember that your drawing should have your name and access code handwritten in the background.
Draw the digital slide of the stomach. Insert your drawing here. Remember that your drawing should have your name and access code handwritten in the background.
Experiment 2: Virtual Model – Exploring the Digestive System
Insert screenshot of the gallbladder:
Insert screenshot of the vermiform appendix:
Insert screenshot of the duodenum:
Post-Lab Questions
1. Is the liver dorsal or ventral to the stomach?
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Is the gallbladder superior or inferior to the esophagus?
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What digestive organ is the duodenum a part of?
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What is the initial part of the large intestine called?
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What is the most inferior part of the digestive system?
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Experiment 3: Swallowing
Post-Lab Questions
”1. What did you notice about the movement of your tongue as you swallowed? ”
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”2. What did you notice about movement in the throat region when you swallowed? Be specific. ”
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”3. What sounds did you hear when you listened to water traveling to the stomach? ”
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Experiment 4: Chemical Digestion of Food: The Role of Enzymes
Table 2: Color Observations
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Final Color
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Post-Lab Questions
”1. What is the purpose of mechanical digestion? ”
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”2. Describe the color seen in each tube in terms of the amount of starch present. Explain why differences may exist. ”
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”3. Why does amylase from saliva stop working in the stomach? What other organ produces amylase? ”
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”4. Why is it necessary to wait 10 minutes before adding IKI solution to the test tubes? ”
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Experiment 5: Fetal Pig Dissection of the Digestive System
”Insert photo of your pig’s exposed liver with your name and access code handwritten clearly in the background: “
”Insert photo of your pig’s exposed stomach and small intestine with your name and access code handwritten clearly in the background: “
Post-Lab Questions
1. Briefly explain the process of digestion.
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What did the interior of the small intestine look like? What is it, and why is this structure important to the function of the small intestines?
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