Essentials of Biology
4th Edition
ISBN: 9780078024221
Author: Sylvia S. Mader Dr., Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 7, Problem S4.4CTC
Summary Introduction
To explore:
The structure of the mitochondria.
Given:
Mitochondria are the major cell organelles which are found in all eukaryotes.
Introduction:
The main energy molecules of cell known as ATP (adenosine triphosphate) were produced within the mitochondria. For such reason the mitochondria was referred to as the powerhouse of the cell. It was also believed that the mitochondria arose from the free living bacteria that were incorporated into the prokaryotic cell as endosymbiosis.
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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 7 Solutions
Essentials of Biology
Ch. 7.1 - Explain the role of cellular respiration in a cellCh. 7.1 - State the overall reaction for glucose breakdown.Ch. 7.1 - List the four phases of cellular respiration, and...Ch. 7.1 - Explain why cellular respiration is needed by the...Ch. 7.1 - Prob. 2CYPCh. 7.1 - Summarize the four stages of cellular respiration,...Ch. 7.1 - Prob. 1ACh. 7.1 - Prob. 2ACh. 7.2 - Prob. 1LOCh. 7.2 - Prob. 2LO
Ch. 7.2 - Prob. 3LOCh. 7.2 - Prob. 1CYPCh. 7.2 - Contrast the energy-investment step of glycolysis...Ch. 7.2 - Prob. 3CYPCh. 7.2 - Prob. 3ACh. 7.2 - Prob. 4ACh. 7.3 - Explain why fermentation pathways are beneficial...Ch. 7.3 - Prob. 2LOCh. 7.3 - Prob. 1CYPCh. 7.3 - Prob. 2CYPCh. 7.3 - Prob. 3CYPCh. 7.3 - Prob. 5ACh. 7.3 - Prob. 6ACh. 7.4 - Prob. 1LOCh. 7.4 - Prob. 2LOCh. 7.4 - 3. Identify the inputs and outputs of each pathway...Ch. 7.4 - Prob. 4LOCh. 7.4 - Prob. 1CYPCh. 7.4 - Prob. 2CYPCh. 7.4 - Prob. 3CYPCh. 7.4 - Prob. 7ACh. 7.4 - Prob. 8ACh. 7.4 - Prob. 9ACh. 7.4 - Prob. 10ACh. 7.4 - Prob. 11ACh. 7.4 - Prob. 12ACh. 7.5 - Prob. 1LOCh. 7.5 - Prob. 2LOCh. 7.5 - Prob. 1CYPCh. 7.5 - Prob. 2CYPCh. 7.5 - Prob. 3CYPCh. 7.5 - Prob. 13ACh. 7.5 - Prob. 14ACh. 7.5 - Prob. 15ACh. 7 - Prob. S3.2BYBCh. 7 - Prob. S4.4BYBCh. 7 - Prob. S5.2BYBCh. 7 - Prob. 1BYBCh. 7 - Prob. 2BYBCh. 7 - How are other organic nutrients, such as fats and...Ch. 7 - Prob. S3.2CYPCh. 7 - Prob. S4.4CTCCh. 7 - Prob. S18.3CTCCh. 7 - The compound malonate , a substrate of the citric...Ch. 7 - Prob. 2TCCh. 7 - Prob. 3TCCh. 7 - Prob. 4TC
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