The Living World
9th Edition
ISBN: 9781259694042
Author: George B Johnson Professor
Publisher: McGraw-Hill Education
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Chapter 4, Problem 2IA
Summary Introduction
To determine: The effect of the addition of ATP in the two cultures.
Introduction: The ATP (adenosine triphosphate) production is vital for the functioning of the various systems and biochemical processes in the cell. The ATP can be generated through aerobic and anaerobic respiration.
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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 4 Solutions
The Living World
Ch. 4.1 - Prob. 1LOCh. 4.1 - Prob. 2LOCh. 4.1 - Prob. 3LOCh. 4.1 - Prob. 1TYUCh. 4.1 - The most important factor limiting the size of a...Ch. 4.2 - Explain why a lipid bilayer forms spontaneously.
Ch. 4.2 - Prob. 2LOCh. 4.2 - The plasma membrane is
a carbohydrate layer that...Ch. 4.2 - Prob. 2TYUCh. 4.3 - Describe the interior of a prokaryotic cell.
Ch. 4.3 - Prob. 1TYUCh. 4.4 - List those organelles unique to eukaryotic cells.
Ch. 4.4 - Eukaryotic cells are more complex than prokaryotic...Ch. 4.5 - Prob. 1LOCh. 4.5 - Within the nucleus of a cell you can find
a...Ch. 4.6 - Describe the functioning of the four principal...Ch. 4.6 - The endomembrane system within a cell includes...Ch. 4.7 - Learning Objective 4.7.1 Describe the internal...Ch. 4.7 - Prob. 2LOCh. 4.7 - Prob. 3LOCh. 4.7 - It was once thought that only the nucleus of each...Ch. 4.7 - Prob. 3TYUCh. 4.8 - Describe the protein fibers of the cytoskeleton.
Ch. 4.8 - Prob. 2LOCh. 4.8 - Prob. 4LOCh. 4.8 - Prob. 5LOCh. 4.8 - The cytoskeleton includes
microtubules made of...Ch. 4.8 - Prob. 3TYUCh. 4.8 - Prob. 4TYUCh. 4.9 - Prob. 1LOCh. 4.9 - Prob. 2LOCh. 4.9 - Prob. 1TYUCh. 4.10 - Learning Objective 4.10.1 Explain why diffusion...Ch. 4.10 - Prob. 2LOCh. 4.10 - Prob. 3LOCh. 4.10 - Prob. 4LOCh. 4.10 - Prob. 1.1TYUCh. 4.10 - Prob. 1.2TYUCh. 4.10 - Prob. 1.4TYUCh. 4.11 - Learning Objective 4.11.1 Explain why facilitated...Ch. 4.11 - When large molecules, such as food particles, need...Ch. 4.12 - Prob. 1LOCh. 4.12 - Prob. 2LOCh. 4.12 - Prob. 3LOCh. 4.12 - Prob. 1TYUCh. 4.13 - Prob. 1LOCh. 4.13 - Prob. 2LOCh. 4.13 - Prob. 3LOCh. 4.13 - Prob. 1TYUCh. 4.14 - Prob. 1LOCh. 4.14 - Prob. 1TYUCh. 4 - Prob. 1IACh. 4 - Prob. 2IACh. 4 - Prob. 3IACh. 4 - Prob. 4IA
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- 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
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