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Which cell has no nucleus when it is mature?
- a)Platelet
- b)Neutrophil
- c)Erythrocyte
- d)Lymphocyte
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which cell has no nucleus when it is mature?a) ...
Unlike most other eukaryotic cells, mature red blood cells(erythrocytes) don't have nuclei. When they enter the bloodstream for the first time, they eject their nuclei and organelles, so that they can carry more hemoglobin and thus more oxygen. Each red blood cell has a life span of around 100–120 days.Hence, the correct answer is option 'C'.
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Community Answer
Which cell has no nucleus when it is mature?a) ...
Erythrocyte: A Cell Without Nucleus
Erythrocytes, also known as red blood cells, are the only cells in the human body that do not have a nucleus when they are mature. Here's why:
Function of Erythrocytes
Erythrocytes are responsible for transporting oxygen from the lungs to the body tissues and carbon dioxide from the tissues back to the lungs for exhalation.
Lack of Nucleus in Mature Erythrocytes
During the process of erythropoiesis (formation of red blood cells), the nucleus of the developing red blood cell is expelled. This allows for more space to carry hemoglobin, the protein responsible for binding and transporting oxygen.
Importance of Nucleus Absence
The absence of a nucleus in mature erythrocytes contributes to their unique biconcave shape, flexibility, and efficient oxygen-carrying capacity. However, it also means that erythrocytes cannot replicate or repair themselves since they lack genetic material.
Lifespan of Erythrocytes
Due to the lack of a nucleus and other organelles, erythrocytes have a limited lifespan of about 120 days before they are removed by the spleen and liver.
In conclusion, erythrocytes are specialized cells that sacrifice their nucleus to efficiently carry out their essential function of oxygen transport in the body.
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Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer?
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Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer?.
Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which cell has no nucleus when it is mature?a) Platelet b) Neutrophil c) Erythrocyte d) Lymphocyte Correct answer is option 'C'. Can you explain this answer?.
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