6
Question
In the sperm heads, DNA is particularly highly condensed and there is presence of protamines. These protamines are small arginine-rich nuclear proteins. Which of the following protein is replaced by protamines in the sperm head?
In the sperm heads, DNA is particularly highly condensed and there is presence of protamines. These protamines are small arginine-rich nuclear proteins. Which of the following protein is replaced by protamines in the sperm head?
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Solution
The correct option is A Histone
- Protamines are small, arginine-rich, nuclear proteins.
- They replace histones later in the spermatogenesis.
- It is essential for sperm head condensation and DNA stabilization.
- So, the correct option is 'Histones'.
- Protamines are small, arginine-rich, nuclear proteins.
- They replace histones later in the spermatogenesis.
- It is essential for sperm head condensation and DNA stabilization.
- So, the correct option is 'Histones'.
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