PRIN.OF HUMAN ANATOMY (LL)
15th Edition
ISBN: 9781119662761
Author: Tortora
Publisher: WILEY
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Textbook Question
Chapter 29, Problem 12CP
When does gastrulation occur?
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Discussion Questions
Answer these discussion questions and submit them as part of your lab report.
Part A: The Effect of Temperature on Enzyme Activity
Graph the volume of oxygen produced against the temperature of the solution.
How is the oxygen production in 30 seconds related to the rate of the reaction?
At what temperature is the rate of reaction the highest? Lowest? Explain.
Why might the enzyme activity decrease at very high temperatures?
Why might a high fever be dangerous to humans?
What is the optimal temperature for enzymes in the human body?
Part B: The Effect of pH on Enzyme Activity
Graph the volume of oxygen produced against the pH of the solution.
At what pH is the rate of reaction the highest? Lowest? Explain.
Why does changing the pH affect the enzyme activity?
Research the enzyme catalase. What is its function in the human body?
What is the optimal pH for the following enzymes found in the human body? Explain. (catalase, lipase (in your stomach),…
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Discussion Questions:
Part One
Why were the plants kept in the dark prior to the experiment? Why is this important?
Why is it important to boil the leaf?
Explain why it was necessary to use boiling alcohol?
What is the purpose of the iodine?
Part Two
What was the purpose of keeping the leaf in the dark and then covering it with a cardboard cut-out?
What conclusions can you draw from this part of the lab?
Part Three
7. In this experiment what was the purpose of adding the soda lime?
8. Why was a sealed bag placed around each plant?
9. What happened in the control plants?
10. What was the result on photosynthesis?
Part Four
11. Why was a variegated leaf used in this experiment?
!2. What conclusions can you draw about starch production in a variegated leaf?
How did the color differences between the two bacterial species you used in this experiment help you determine if the streak plate method you performed was successful?
Chapter 29 Solutions
PRIN.OF HUMAN ANATOMY (LL)
Ch. 29 - 1. What is pregnancy?
Ch. 29 - 2. What are the major events of each trimester?
Ch. 29 - Prob. 3CPCh. 29 - How is polyspermy prevented?Ch. 29 - Prob. 5CPCh. 29 - Describe the layers of a blastocyst and their...Ch. 29 - Prob. 7CPCh. 29 - 8. What are the functions of the trophoblast?
Ch. 29 - How is the bilaminar embryonic disc formed? ^Ch. 29 - Prob. 10CP
Ch. 29 - Prob. 11CPCh. 29 - When does gastrulation occur?Ch. 29 - Prob. 13CPCh. 29 - Prob. 14CPCh. 29 - Describe how neurulation occurs. Why is it...Ch. 29 - Prob. 16CPCh. 29 - Prob. 17CPCh. 29 - 18. How does the placenta form?
Ch. 29 - Prob. 19CPCh. 29 - Prob. 20CPCh. 29 - What is the origin of the structures of the head...Ch. 29 - Prob. 22CPCh. 29 - What changes occur in the limbs during the second...Ch. 29 - What are the general developmental trends during...Ch. 29 - Prob. 25CPCh. 29 - 26. What are some of the symptoms of fetal alcohol...Ch. 29 - How does cigarette smoking affect embryonic and...Ch. 29 - What conditions can be detected using fetal...Ch. 29 - List the hormones involved in pregnancy, and...Ch. 29 - 30. What structural and functional changes occur...Ch. 29 - 31. Which changes in pregnancy have an effect on...Ch. 29 - Prob. 32CPCh. 29 - Prob. 33CPCh. 29 - What happens during the stage of dilation, the...Ch. 29 - Why are respiratory and cardiovascular adjustments...Ch. 29 - Which hormones contribute to lactation? What is...Ch. 29 - Prob. 37CPCh. 29 - What do the terms genotype, phenotype, dominant,...Ch. 29 - What are genomic imprinting and nondisjunction?Ch. 29 - Give an example of incomplete dominance.Ch. 29 - 41. What is multiple-allele inheritance? Give an...Ch. 29 - Define complex inheritance and give an example.Ch. 29 - 43. Why does X-chromosome inactivation occur?
Ch. 29 - Kathy is breastfeeding her infant and is...Ch. 29 - 2. Jack has hemophilia, which is a sex-linked...Ch. 29 - Alisa has asked her obstetrician to save and...
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