Pearson eText Human Anatomy -- Instant Access (Pearson+)
9th Edition
ISBN: 9780135273005
Author: Elaine Marieb, Patricia Wilhelm
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Question
Chapter 23, Problem 29RQ
Summary Introduction
To review:
The beginning site for the chemical digestion of carbohydrates, proteins, and fats in the alimentary canal.
Introduction:
The process of chemical digestion is the breakdown of swallowed food after chewing and mastication by digestive enzymes. There are three main macromolecules in food; carbohydrates which are degraded by amylases, proteins which are degraded by proteases, and fats which are degraded by lipases. The degradation is initiated in different parts of the alimentary canal depending upon numerous factors.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin
Chapter 23 Solutions
Pearson eText Human Anatomy -- Instant Access (Pearson+)
Ch. 23 - Where in the alimentary canal does propulsion...Ch. 23 - Differentiate the abdominal cavity from the...Ch. 23 - Identify all the mesenteries that connect to each...Ch. 23 - Prob. 4CYUCh. 23 - Name the three sublayers of the mucosa. Which...Ch. 23 - Name the tissue layer of the alimentary canal that...Ch. 23 - Contrast smooth muscle to skeletal muscle, noting...Ch. 23 - What type of epithelium forms the mucosa lining...Ch. 23 - Name the three major salivary glands. What...Ch. 23 - Prob. 10CYU
Ch. 23 - How does the epithelial lining change from the...Ch. 23 - Describe the location of the stomach in reference...Ch. 23 - What do chief cells produce? What do parietal...Ch. 23 - Prob. 14CYUCh. 23 - Name all the parts of the large intestine,...Ch. 23 - Name the structures within the villus that receive...Ch. 23 - Name the vessels and ducts that pass through the...Ch. 23 - Trace the path of blood drained from the digestive...Ch. 23 - Prob. 19CYUCh. 23 - Why is it so important to wash your hands after...Ch. 23 - Which embryonic germ layer forms the epithelium of...Ch. 23 - What blood vessel supplies the structures derived...Ch. 23 - Which of the following organs is secondarily...Ch. 23 - Prob. 2RQCh. 23 - For each organ in the left-hand column, select the...Ch. 23 - Match each of the mesenteries in the key with the...Ch. 23 - Prob. 5RQCh. 23 - Prob. 6RQCh. 23 - Which of the following correctly describe the flow...Ch. 23 - The exocrine glands in the pancreas are (a) simple...Ch. 23 - Prob. 9RQCh. 23 - Which one of the following features is shared by...Ch. 23 - Prob. 11RQCh. 23 - Prob. 12RQCh. 23 - Protein digestion begins (a) in the mouth by...Ch. 23 - The calcified connective tissue that attaches the...Ch. 23 - Prob. 15RQCh. 23 - Prob. 16RQCh. 23 - The salivary gland that contains only serous cells...Ch. 23 - Use the key below to indicate the blood vessel...Ch. 23 - Make a simple drawing of the organs of the...Ch. 23 - Name the layers of the wall of the alimentary...Ch. 23 - (a) Write the dental formulas for both the...Ch. 23 - Bianca went on a trip to the Bahamas during spring...Ch. 23 - (a) Make a rough sketch of the Visceral surface of...Ch. 23 - Name four structural features that increase the...Ch. 23 - (a) List the three major vessels of the portal...Ch. 23 - Of the three major salivary glands, which is the...Ch. 23 - Trace the entire duct systems of the liver and...Ch. 23 - Prob. 28RQCh. 23 - Prob. 29RQCh. 23 - Prob. 30RQCh. 23 - Prob. 31RQCh. 23 - This chapter describes schemes that divided the...Ch. 23 - A 21-year-old man with severe appendicitis did not...Ch. 23 - Duncan, an inquisitive 8-year-old, saw his...Ch. 23 - Eva, a middle-aged attorney, complains of a...Ch. 23 - Prob. 5CRCAQCh. 23 - The janitor who cleaned the anatomy lab had a...Ch. 23 - Explain why cancer chemotherapies that stop the...Ch. 23 - From what embryonic layer (ectoderm, mesoderm, or...Ch. 23 - Name the three major salivary glands. What...Ch. 23 - Rebound tenderness in the lower right quadrant of...
Knowledge Booster
Similar questions
- With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobinarrow_forwardWhich ONE of the following is FALSE regarding haemoglobin? It has two alpha subunits and two beta subunits. The subunits are joined by disulphide bonds. Each subunit covalently binds a haem group. Conformational change in one subunit can be transmitted to another. There are many variant ("mutant") forms of haemoglobin that are not harmful.arrow_forwardWhich ONE of the following is FALSE regarding haemoglobin? It has two alpha subunits and two beta subunits. The subunits are joined by disulphide bonds. Each subunit covalently binds a haem group. Conformational change in one subunit can be transmitted to another. There are many variant ("mutant") forms of haemoglobin that are not harmful.arrow_forward
- During a routine medical check up of a healthy man it was found that his haematocrit value was highly unusual – value of 60%. What one of the options below is the most likely reason? He will have a diet high in iron. He is likely to be suffering from anaemia. He lives at high altitude. He has recently recovered from an accident where he lost a lot of blood. He has a very large body size.arrow_forwardExplain what age of culture is most likely to produce an endospore?arrow_forwardExplain why hot temperatures greater than 45 degrees celsius would not initiate the sporulation process in endospores?arrow_forward
- Endospore stain: Consider tube 2 of the 7-day bacillus culture. After is was heated, it was incubated for 24 hours then refrigerated. Do you think the cloudiness in this tube is due mostly to vegetative cells or to endospores? Explain your reasoningarrow_forwardReactunts C6H12O6 (Glucose) + 2NAD+ + 2ADP 2 Pyruvic acid + 2NADH + 2ATP a. Which of the above are the reactants? b. Which of the above are the products? c. Which reactant is the electron donor? GHz 06 (glucose) d. Which reactant is the electron acceptor? NAD e. Which of the products have been reduced? NADH f. Which of the products have been oxidized? g. Which process was used to produce the ATP? h. Where was the energy initially in this chemical reaction and where is it now that it is finished? i. Where was the carbon initially in this chemical reaction and where is it now that it is finished? j. Where were the electrons initially in this chemical reaction and where is it now that it is finished? 3arrow_forwardThere is ________ the concept of global warming. Very strong evidence to support Some strong evidence to support Evidence both supporting and against Evidence againstarrow_forward
- How many types of reactions can an enzyme perform?arrow_forwardYour goal is to produce black seeds resistant to mold. So you make the same cross again (between a homozygous black seeded, mold susceptible parent and a homozygous white seeded and mold resistant parent), and, again, advance progeny by SSD to create 100 F10 generation plants. Based on the information you obtained from your first crossing experiment (Question #4), how many F10 plants would you expect to have black seeds and be resistant to mold? Assume that a toxin produced by the mold fungus has been isolated. Only mold resistant seeds will germinate in the presence of the toxin. Could you use this toxin screening procedure to have segregation distortion work in your favor in the F2 generation? Explain your answer. Info from Question 4 a. P Locus (Seed Color): Hypothesis: The null hypothesis (H₀) is that seed color is controlled by alleles at a single locus. Observed Data: Total white seeds: 45 (resistant plants) + 6 (susceptible plants) = 51 Total black seeds: 7 (resistant…arrow_forward10. Consider the following enzyme and its substrate where the "+" and "-" indicate cations and anions, respectively. Explain which of the following inhibitors could inhibit this enzyme? Which type of inhibitor would it be and why? (Video 5-2) Substrate Enzyme Potential inhibitorsarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College