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Question
Adult human RBC are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature?
a. They do not need to reproduce.
b. They are somatic cells
c. They do not metabolise.
d. All their internal space is available for oxygen transport
Adult human RBC are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature?
a. They do not need to reproduce.
b. They are somatic cells
c. They do not metabolise.
d. All their internal space is available for oxygen transport
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Solution
The correct option is D Only d
Statement d
Statement : All their internal space is available for oxygen transport.
Elaboration: Mammalian RBCs are synthesised in the bone marrow. On attaining maturity, they undergo a process called enucleation in which the nucleus is removed along with other organelles.
The absence of a nucleus and other organelles allows the red blood cells to contain more hemoglobin. Hence, adequate space is availble for oxygen transport to the body tissues. Thus enucleation is necessary for the fulfilment of primary functions of RBCs.
Statement d
Statement : All their internal space is available for oxygen transport.
Elaboration: Mammalian RBCs are synthesised in the bone marrow. On attaining maturity, they undergo a process called enucleation in which the nucleus is removed along with other organelles.
The absence of a nucleus and other organelles allows the red blood cells to contain more hemoglobin. Hence, adequate space is availble for oxygen transport to the body tissues. Thus enucleation is necessary for the fulfilment of primary functions of RBCs.
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