Population Consumed Consumed Cholesterolemia saturated fatty acids (in %) monounsaturated (g/L) fatty acids (in %) 10 20 Document 1 A 25 в 15 2.6 1- State two roles of cholesterol in the organism. 2-2-1-Name the lipoproteins that transport cholesterol. 2-2- Indicate the role of each of them. 3- 3-1- Analyze the results of document 1. 3-2- What can you conclude?

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Exercise 4
Cholesterolemia
Cholesterol is a substance that is indispensable for cells. It is transported in blood by two lipoproteins. Its
normal blood level ranges between 1.8 g/L and 2 g/L.
Hypercholesterolemia is a nutritional disease characterized by an excessive amount of cholesterol in blood.
In order to determine the food diet that leads to the development of this disease, the amount of saturated and
unsaturated fatty acids in the food diet of two populations A and Bas well as the amount of cholesterol in
their blood or cholesterolemia are studied. Document 1 shows the obtained results.
Population
Consumed
Cholesterolemia
(g/L)
Consumed
monounsaturated
fatty acids (in %)
saturated fatty
acids (in %)
2
10
20
Document 1
A.
25
в
15
2.6
1- State two roles of cholesterol in the organism.
2-2-1-Name the lipoproteins that transport cholesterol.
2-2- Indicate the role of each of them.
3- 3-1- Analyze the results of document 1.
3-2- What can you conclude?
The composition of certain lipids in
saturated and monounsaturated fatty
acids is evaluated. The histogram of
document 2 represents the obtained
results.
A Fatty acids
2. (in %)
70
60
4- Draw out the lipid that is the
richest
50
in monounsaturated fatty acids and
the one that is the richest in
40
saturated fatty acids (document 2).
5- Specify the lipid in document 2
that
can be recommended to prevent
hypercholesterolemia.
27
10
Lipids
Butter
Sunflower oil
Olive oil
1 Saturated fatty acids
Q Monounsaturated fatty acids
Transcribed Image Text:Exercise 4 Cholesterolemia Cholesterol is a substance that is indispensable for cells. It is transported in blood by two lipoproteins. Its normal blood level ranges between 1.8 g/L and 2 g/L. Hypercholesterolemia is a nutritional disease characterized by an excessive amount of cholesterol in blood. In order to determine the food diet that leads to the development of this disease, the amount of saturated and unsaturated fatty acids in the food diet of two populations A and Bas well as the amount of cholesterol in their blood or cholesterolemia are studied. Document 1 shows the obtained results. Population Consumed Cholesterolemia (g/L) Consumed monounsaturated fatty acids (in %) saturated fatty acids (in %) 2 10 20 Document 1 A. 25 в 15 2.6 1- State two roles of cholesterol in the organism. 2-2-1-Name the lipoproteins that transport cholesterol. 2-2- Indicate the role of each of them. 3- 3-1- Analyze the results of document 1. 3-2- What can you conclude? The composition of certain lipids in saturated and monounsaturated fatty acids is evaluated. The histogram of document 2 represents the obtained results. A Fatty acids 2. (in %) 70 60 4- Draw out the lipid that is the richest 50 in monounsaturated fatty acids and the one that is the richest in 40 saturated fatty acids (document 2). 5- Specify the lipid in document 2 that can be recommended to prevent hypercholesterolemia. 27 10 Lipids Butter Sunflower oil Olive oil 1 Saturated fatty acids Q Monounsaturated fatty acids
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