HOLE'S HUMAN ANATOMY >PRINT UPGRADE<
15th Edition
ISBN: 9781266019142
Author: SHIER
Publisher: MCG
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Chapter 3, Problem 15CA
Summary Introduction
To define:
The term ‘osmosis’.
Introduction:
The cell membrane is one of the major components of the cell. It contains many types of protein molecules in comparison to the lipid molecules. Certain globular and compact membrane proteins provide a pathway to smaller molecules to cross the phospholipid layer of the cell. The membrane proteins form “pores” allowing the entry of water or form channels for entry of particular ions.
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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 3 Solutions
HOLE'S HUMAN ANATOMY >PRINT UPGRADE<
Ch. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Distinguish between organelles and inclusions.Ch. 3 - Prob. 10P
Ch. 3 - 11 Describe how the Golgi apparatus functions.
Ch. 3 - Prob. 12PCh. 3 - Prob. 13PCh. 3 - Prob. 14PCh. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - Prob. 17PCh. 3 - Prob. 18PCh. 3 - Prob. 19PCh. 3 - Distinguish among isotonic hypertonic, and...Ch. 3 - Explain how filtration occurs in the body.Ch. 3 - How does a cell maintain unequal concentrations of...Ch. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Prob. 31PCh. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 3 - Prob. 34PCh. 3 - Prob. 35PCh. 3 - Prob. 36PCh. 3 - Prob. 37PCh. 3 - Prob. 38PCh. 3 - Prob. 39PCh. 3 - What are the units used to measure cells? (p. 83)...Ch. 3 - Prob. 2CACh. 3 - Prob. 3CACh. 3 - Prob. 4CACh. 3 - Prob. 5CACh. 3 - Prob. 6CACh. 3 - Prob. 7CACh. 3 - Prob. 8CACh. 3 - Prob. 9CACh. 3 - Prob. 10CACh. 3 - Prob. 11CACh. 3 - List the parts of the nucleus and explain why each...Ch. 3 - Prob. 13CACh. 3 - Prob. 14CACh. 3 - Prob. 15CACh. 3 - Prob. 16CACh. 3 - Prob. 17CACh. 3 - Explain how transcytosis combines endocytosis...Ch. 3 - Prob. 19CACh. 3 - Explain why interphase is not a period of rest for...Ch. 3 - Prob. 21CACh. 3 - Prob. 22CACh. 3 - Prob. 23CACh. 3 - Prob. 24CACh. 3 - Prob. 25CACh. 3 - Discuss the consequences of too little cell...Ch. 3 - Prob. 27CACh. 3 - Prob. 28CACh. 3 - Prob. 29CACh. 3 - Prob. 30CACh. 3 - Prob. 31CACh. 3 - Prob. 32CACh. 3 - Prob. 33CACh. 3 - Prob. 34CACh. 3 - Prob. 35CACh. 3 - Prob. 36CACh. 3 - Prob. 1IACh. 3 - Prob. 2IACh. 3 - Prob. 3IACh. 3 - Prob. 4IACh. 3 - Prob. 5IACh. 3 - Prob. 6IACh. 3 - Prob. 7IA
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