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Johnson Moderator
Joined: 19 Jan 2024
Last visit: 28 Mar 2025
Posts: 420
Given Kudos: 146
Location: Canada
Concentration: Operations, Leadership
Schools: Johnson '27
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11 Feb 2024, 19:04
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C
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78% (01:42) correct
22%
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wrong
based on 218
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Haemoglobin, a substance in human blood, transports oxygen from the lungs to the rest of the body. With each oxygen molecule it picks up, a haemoglobin molecule becomes more effective at picking up additional oxygen molecules until its maximum capacity of four oxygen molecules is reached. Grabbing an oxygen molecule changes the shape of the haemoglobin molecule, each time causing it literally to open itself to receive more oxygen.
Which one of the following is most strongly supported by the information above?
A haemoglobin molecule that has picked up three oxygen molecules will probably acquire a fourth oxygen molecule.
B. The only factor determining how effective a hemoglobin molecule is at picking up oxygen molecules is how open the shape of that hemoglobin molecule is.
C. A hemoglobin molecule that has picked up three oxygen molecules will be more effective at picking up another oxygen molecule than will a hemoglobin molecule that has picked up only one oxygen molecule.
D. A hemoglobin molecule that has picked up four oxygen molecules will have the same shape as a hemoglobin molecule that has not picked up any oxygen molecules.
E. Each hemoglobin molecule in human blood picks up between one and four oxygen molecules in or near the lungs and transports them to some other part of the body.
Which one of the following is most strongly supported by the information above?
A haemoglobin molecule that has picked up three oxygen molecules will probably acquire a fourth oxygen molecule.
B. The only factor determining how effective a hemoglobin molecule is at picking up oxygen molecules is how open the shape of that hemoglobin molecule is.
C. A hemoglobin molecule that has picked up three oxygen molecules will be more effective at picking up another oxygen molecule than will a hemoglobin molecule that has picked up only one oxygen molecule.
D. A hemoglobin molecule that has picked up four oxygen molecules will have the same shape as a hemoglobin molecule that has not picked up any oxygen molecules.
E. Each hemoglobin molecule in human blood picks up between one and four oxygen molecules in or near the lungs and transports them to some other part of the body.
12 Feb 2024, 22:02
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Haemoglobin, a substance in human blood, transports oxygen from the lungs to the rest of the body. With each oxygen molecule it picks up, a haemoglobin molecule becomes more effective at picking up additional oxygen molecules until its maximum capacity of four oxygen molecules is reached. Grabbing an oxygen molecule changes the shape of the haemoglobin molecule, each time causing it literally to open itself to receive more oxygen.
Which one of the following is most strongly supported by the information above?
A haemoglobin molecule that has picked up three oxygen molecules will probably acquire a fourth oxygen molecule.
No evidence from the question stem exists to support this
B. The only factor determining how effective a hemoglobin molecule is at picking up oxygen molecules is how open the shape of that hemoglobin molecule is.
Does not mention that the shape is the only factory. B is out
C. A hemoglobin molecule that has picked up three oxygen molecules will be more effective at picking up another oxygen molecule than will a hemoglobin molecule that has picked up only one oxygen molecule.
True
D. A hemoglobin molecule that has picked up four oxygen molecules will have the same shape as a hemoglobin molecule that has not picked up any oxygen molecules.
Incorrect. The statement says that hemoglobin will change shape as it picks ups more oxygen.
E. Each hemoglobin molecule in human blood picks up between one and four oxygen molecules in or near the lungs and transports them to some other part of the body.
No. Hemoglobin picks up oxygen from the lungs. “near the lugs” is incorrect
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Which one of the following is most strongly supported by the information above?
A haemoglobin molecule that has picked up three oxygen molecules will probably acquire a fourth oxygen molecule.
No evidence from the question stem exists to support this
B. The only factor determining how effective a hemoglobin molecule is at picking up oxygen molecules is how open the shape of that hemoglobin molecule is.
Does not mention that the shape is the only factory. B is out
C. A hemoglobin molecule that has picked up three oxygen molecules will be more effective at picking up another oxygen molecule than will a hemoglobin molecule that has picked up only one oxygen molecule.
True
D. A hemoglobin molecule that has picked up four oxygen molecules will have the same shape as a hemoglobin molecule that has not picked up any oxygen molecules.
Incorrect. The statement says that hemoglobin will change shape as it picks ups more oxygen.
E. Each hemoglobin molecule in human blood picks up between one and four oxygen molecules in or near the lungs and transports them to some other part of the body.
No. Hemoglobin picks up oxygen from the lungs. “near the lugs” is incorrect
Posted from my mobile device
13 Mar 2024, 08:39
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Haemoglobin, a substance in human blood, transports oxygen from the lungs to the rest of the body. With each oxygen molecule it picks up, a haemoglobin molecule becomes more effective at picking up additional oxygen molecules until its maximum capacity of four oxygen molecules is reached. Grabbing an oxygen molecule changes the shape of the haemoglobin molecule, each time causing it literally to open itself to receive more oxygen.
Which one of the following is most strongly supported by the information above?
A haemoglobin molecule that has picked up three oxygen molecules will probably acquire a fourth oxygen molecule. - WRONG. True it may be but we have a better choice available.
B. The only factor determining how effective a hemoglobin molecule is at picking up oxygen molecules is how open the shape of that hemoglobin molecule is. - WRONG. Bit of an extreme claim to make.
C. A hemoglobin molecule that has picked up three oxygen molecules will be more effective at picking up another oxygen molecule than will a hemoglobin molecule that has picked up only one oxygen molecule. - CORRECT. As a Hm picks one Om it becomes relatively more effective picking up another.
D. A hemoglobin molecule that has picked up four oxygen molecules will have the same shape as a hemoglobin molecule that has not picked up any oxygen molecules. - WRONG. Absolutely not.
E. Each hemoglobin molecule in human blood picks up between one and four oxygen molecules in or near the lungs and transports them to some other part of the body. - WRONG. Nit-picking required here. one or four and from the lungs is right.
Answer C.
Which one of the following is most strongly supported by the information above?
A haemoglobin molecule that has picked up three oxygen molecules will probably acquire a fourth oxygen molecule. - WRONG. True it may be but we have a better choice available.
B. The only factor determining how effective a hemoglobin molecule is at picking up oxygen molecules is how open the shape of that hemoglobin molecule is. - WRONG. Bit of an extreme claim to make.
C. A hemoglobin molecule that has picked up three oxygen molecules will be more effective at picking up another oxygen molecule than will a hemoglobin molecule that has picked up only one oxygen molecule. - CORRECT. As a Hm picks one Om it becomes relatively more effective picking up another.
D. A hemoglobin molecule that has picked up four oxygen molecules will have the same shape as a hemoglobin molecule that has not picked up any oxygen molecules. - WRONG. Absolutely not.
E. Each hemoglobin molecule in human blood picks up between one and four oxygen molecules in or near the lungs and transports them to some other part of the body. - WRONG. Nit-picking required here. one or four and from the lungs is right.
Answer C.
