- (A) Proteins
- (B) DNA
- (C) Carbohydrates
- (D) Lipids
_______ is considered the largest glacier of Pakistan.
March 18, 2026
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- (A) Siachen Glacier
- (B) Tirich Mir Glacier
- (C) Biafo Glacier
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What are chromosomes primarily composed of?
What are chromosomes primarily composed of?
The structure of chromosomes is made mostly of DNA and proteins, especially histones. This combination of DNA and proteins is referred to as chromatin. The DNA, which is negatively charged, wraps around the proteins that are positively charged. This allows the long DNA strands to be packed into the nucleus of the cell.
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