Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 35, Problem 3ITD
Summary Introduction
To review:
The root biomass among the three tree species differs significantly.
Introduction:
Absorption of water and minerals in plants takes place with the help of the root system. These minerals enter the plant along with water and other enters cells directly. Many of the plants benefit from the fungal associations with mycorrhizae. This fungal biomass increases the root biomass of the plants. The higher root biomass is associated with a higher diversity of plant.
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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 35 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 35.1 - Prob. 1SBCh. 35.1 - Do all plants require the same basic nutrients in...Ch. 35.2 - Prob. 1SBCh. 35.2 - Prob. 2SBCh. 35.2 - Prob. 3SBCh. 35.3 - Prob. 1SBCh. 35.3 - Distinguish between nitrogen fixation,...Ch. 35.3 - Prob. 3SBCh. 35 - Prob. 1TYKCh. 35 - Prob. 2TYK
Ch. 35 - Prob. 3TYKCh. 35 - Prob. 4TYKCh. 35 - Which of the following does not influence soil pH?...Ch. 35 - Prob. 6TYKCh. 35 - Prob. 7TYKCh. 35 - Prob. 8TYKCh. 35 - Prob. 9TYKCh. 35 - Prob. 10TYKCh. 35 - Discuss Concepts If you want to study factors that...Ch. 35 - Prob. 12TYKCh. 35 - Prob. 13TYKCh. 35 - Prob. 14TYKCh. 35 - Prob. 15TYKCh. 35 - Prob. 16TYKCh. 35 - Prob. 1ITDCh. 35 - Prob. 2ITDCh. 35 - Prob. 3ITD
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