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Question
One of the following does not have a nucleus. It would be:
(a) red blood cell
(b) white blood cell
(c) guard cell
(d) epidermal cell
One of the following does not have a nucleus. It would be:
(a) red blood cell
(b) white blood cell
(c) guard cell
(d) epidermal cell
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Solution
option (a)
RBC
Mature RBC goes through a process called enucleation just before it enters the blood flow.
Enucleation is an adaptation of the red blood cell which enables it to attain a biconcave structure, increasing room for accomodating more of the haemoglobin leading to greater capacity to carry oxygen molecules. Biconcavity further helps in increasing the surface area for diffusion and agility to squeeze itself through the thin pores of the capillaries to reach oxygen to the tissues.
option (a)
RBC
Mature RBC goes through a process called enucleation just before it enters the blood flow.
Enucleation is an adaptation of the red blood cell which enables it to attain a biconcave structure, increasing room for accomodating more of the haemoglobin leading to greater capacity to carry oxygen molecules. Biconcavity further helps in increasing the surface area for diffusion and agility to squeeze itself through the thin pores of the capillaries to reach oxygen to the tissues.
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