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Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]
- a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0
- b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2
- c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2
- d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2
Correct answer is option 'D'. Can you explain this answer?
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Explanation:
In order to determine the correct set of charges on different phospholipids, we need to consider the structure of each phospholipid molecule and the charges associated with the different components.
Phosphotidylcholine (PC):
- Phosphotidylcholine consists of a choline molecule attached to a phosphate group, which is in turn attached to a glycerol backbone.
- The choline molecule has a quaternary ammonium group, which carries a positive charge.
- Therefore, the charge on PC is 0.
Phosphotidylserine (PS):
- Phosphotidylserine also consists of a phosphate group attached to a glycerol backbone.
- However, in PS, the phosphate group is esterified to the serine molecule.
- The serine molecule has a carboxyl group, which carries a negative charge at physiological pH.
- Therefore, the charge on PS is -1.
Phosphotidylethanolamine (PE):
- Phosphotidylethanolamine also consists of a phosphate group attached to a glycerol backbone.
- In PE, the phosphate group is esterified to the ethanolamine molecule.
- Ethanolamine does not have any charged groups.
- Therefore, the charge on PE is 0.
Cardiolipin (CL):
- Cardiolipin is a unique phospholipid found in the inner mitochondrial membrane.
- It consists of two phosphatidylglycerol molecules connected by a glycerol bridge.
- Each phosphatidylglycerol molecule has a phosphate group attached to a glycerol backbone.
- The charge on cardiolipin can vary depending on the specific fatty acids attached to the glycerol backbone.
- However, in general, cardiolipin is considered to have a charge of -2.
Correct Set of Charges:
Based on the above information, the correct set of charges on different phospholipids is:
PC: 0
PS: -1
PE: 0
CL: -2
Therefore, option D is the correct answer.
In order to determine the correct set of charges on different phospholipids, we need to consider the structure of each phospholipid molecule and the charges associated with the different components.
Phosphotidylcholine (PC):
- Phosphotidylcholine consists of a choline molecule attached to a phosphate group, which is in turn attached to a glycerol backbone.
- The choline molecule has a quaternary ammonium group, which carries a positive charge.
- Therefore, the charge on PC is 0.
Phosphotidylserine (PS):
- Phosphotidylserine also consists of a phosphate group attached to a glycerol backbone.
- However, in PS, the phosphate group is esterified to the serine molecule.
- The serine molecule has a carboxyl group, which carries a negative charge at physiological pH.
- Therefore, the charge on PS is -1.
Phosphotidylethanolamine (PE):
- Phosphotidylethanolamine also consists of a phosphate group attached to a glycerol backbone.
- In PE, the phosphate group is esterified to the ethanolamine molecule.
- Ethanolamine does not have any charged groups.
- Therefore, the charge on PE is 0.
Cardiolipin (CL):
- Cardiolipin is a unique phospholipid found in the inner mitochondrial membrane.
- It consists of two phosphatidylglycerol molecules connected by a glycerol bridge.
- Each phosphatidylglycerol molecule has a phosphate group attached to a glycerol backbone.
- The charge on cardiolipin can vary depending on the specific fatty acids attached to the glycerol backbone.
- However, in general, cardiolipin is considered to have a charge of -2.
Correct Set of Charges:
Based on the above information, the correct set of charges on different phospholipids is:
PC: 0
PS: -1
PE: 0
CL: -2
Therefore, option D is the correct answer.
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Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer?
Question Description
Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer?.
Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following combinations represent the correct set of charge on different phospholipids [PC: phosphotidylcholine; PS: Phosphotidylserine, PE: Phosphotidylethanolamine, CL: cardiolipin]a)PC : 1 ; PS: 1 ; PE: 0 ; CL: 0b)PC : -1 ; PS: 1 ; PE: 1 ; CL: -2c)PC : 0 ; PS: 1 ; PE: 0 ; CL: -2d)PC : 0 ; PS: -1 ; PE: 0 ; CL: -2Correct answer is option 'D'. Can you explain this answer?.
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