Which of the following does not contain DNA? | vedclass

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(A) Mature mammalian red blood cells $(RBCs)$ are specialized cells that lose their nucleus and most organelles,including mitochondria and ribosomes,d

Vedclass · Accepted Answer

Mature red blood cells $(RBCs)$

Vedclass · Answer

(A) Mature mammalian red blood cells $(RBCs)$ are specialized cells that lose their nucleus and most organelles,including mitochondria and ribosomes,during maturation to maximize space for hemoglobin. Consequently,they do not contain $DNA$. In contrast,an enucleated ovum (if referring to a laboratory-manipulated one) lacks a nucleus,but a normal ovum contains $DNA$. Mature sperm cells contain a haploid nucleus with $DNA$. Hair roots contain living cells with nuclei and $DNA$.

Which of the following does not contain $DNA$?

Similar Questions

$A$ : The nucleus of a plasma cell has a cart-wheel appearance.
$R$ : The nucleus contains peripheral clumps of heterochromatin.

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........ is present in a higher amount in the dark band of a polytene chromosome.

$S -$ Statement: The nucleolus contains $DNA$.
$R -$ Reason: The nucleolus is a membrane-less spherical structure.

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