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Question 1 of 10
1. Question
Which of the following are true about polysaccharides?
I. Polysaccharides are the cellulose of the plants.
II. Polysaccharides are the glycogen produced by the animals.
III. Polysaccharides are repeated glucose units in chains.
IV. Polysaccharides are three to six monosaccharides combined.Correct
Polysaccharides are composed of more than six and up to thousands of monosaccharides which can produce starch. The two most common polysaccharides are cellulose and glycogen.
Incorrect
Polysaccharides are composed of more than six and up to thousands of monosaccharides which can produce starch. The two most common polysaccharides are cellulose and glycogen.
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Question 2 of 10
2. Question
Which of the following statements best define gluconeogenesis?
Correct
Gluconeogenesis is the process in which the liver produces glucose from proteins and parts of fats. The glucose production then undergoes glycolysis.
Incorrect
Gluconeogenesis is the process in which the liver produces glucose from proteins and parts of fats. The glucose production then undergoes glycolysis.
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Question 3 of 10
3. Question
In terms of the skeletal muscles’ glycolysis, which of the following statement is false?
Correct
During intense exercise, the skeletal muscles will not have oxygen that is enough to meet the required energy so an alternative type of glucose metabolism known as anaerobic glycolysis is utilized. Anaerobic glycolysis is the conversion of glucose to lactate.
Incorrect
During intense exercise, the skeletal muscles will not have oxygen that is enough to meet the required energy so an alternative type of glucose metabolism known as anaerobic glycolysis is utilized. Anaerobic glycolysis is the conversion of glucose to lactate.
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Question 4 of 10
4. Question
Which of the following statement best describes anaerobic glycolysis?
Correct
Anaerobic glycolysis is the absence or non existence of oxygen. It the process in which glucose is converted to lactate rather than pyruvate.
Incorrect
Anaerobic glycolysis is the absence or non existence of oxygen. It the process in which glucose is converted to lactate rather than pyruvate.
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Question 5 of 10
5. Question
Which of the following statement best describes the difference between oxidation and reduction?
Correct
For reduction to occur, one element’s total electrical charge should be lessened which occurs when there is one or more negative electron gained.
Incorrect
For reduction to occur, one element’s total electrical charge should be lessened which occurs when there is one or more negative electron gained.
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Question 6 of 10
6. Question
Which of the following statement is used to identify what has been oxidized and what has been reduced?
I. The elemental atom of the oxidation number should be zero.
II. The oxygen in a compound of the oxidation number should be (+1)
III. The oxygen in a compound of the oxidation number should be (+2)
IV. The oxygen in a compound of the oxidation number should be (-1)Correct
If an element is in a natural state, the elemental atom of the oxidation number should be zero.
Incorrect
If an element is in a natural state, the elemental atom of the oxidation number should be zero.
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Question 7 of 10
7. Question
Which of the following statement is true about oxidation and reduction?
Correct
If an element is in a natural state, the elemental atom of the oxidation number should be zero. Some elements that exist outside of a compound are always in pairs while elements that are in their standard state have single atoms.
Incorrect
If an element is in a natural state, the elemental atom of the oxidation number should be zero. Some elements that exist outside of a compound are always in pairs while elements that are in their standard state have single atoms.
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Question 8 of 10
8. Question
Which of the following statement about acid is true?
Correct
Acids are hydrogen or proton donors. They are compounds. In its ionic state, hydrogen is simply a proton.
Incorrect
Acids are hydrogen or proton donors. They are compounds. In its ionic state, hydrogen is simply a proton.
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Question 9 of 10
9. Question
Which of the following statement is true about nuclear chemistry?
Correct
Atoms decay until stable configuration is found. It is usually done when radioactive particles are emitted.
Incorrect
Atoms decay until stable configuration is found. It is usually done when radioactive particles are emitted.
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Question 10 of 10
10. Question
Which of the following statement(s) is true about cholesterol?
I. It helps in the stabilization of a bilayer structure to avoid damage.
II. It is an important biologic precursor to molecules such as steroid hormones.
III. It is also used as energy storage of the body.
IV. It is used as an insulation of our body organs from shock.Correct
Options I and II provide true statements. Cholesterol helps in the stabilization of a bilayer structure to avoid damage and an important biologic precursor to molecules such as steroid hormones. Fats are used as energy storage of the body and act as insulation of our body organs from shock.
Incorrect
Options I and II provide true statements. Cholesterol helps in the stabilization of a bilayer structure to avoid damage and an important biologic precursor to molecules such as steroid hormones. Fats are used as energy storage of the body and act as insulation of our body organs from shock.