Ans.
Beads on a string structure shows DNA molecule, which wraps around histone proteins. This structure is known as chromatin. The histone molecules are supposed as beads and DNA molecule represents a string, thus known as beads on string structure.
It plays an important role in DNA packaging as it folds very long molecules of DNA into a dense, compact form that can fit into a small nucleus or cell.
Hence, the correct answer is option d.
Answer:
ATP is the main energy molecule in cells
Explanation:
Hi, the answer is A , strong winter rainfall maximum is not a characteristic of marine west coast climate.
Answer:Wolbachia can only be transmitted from parent to offspring inside the female's egg. When a male mosquito that carries Wolbachia mates with a female without the bacteria then that female's eggs don't hatch. Wolbachia-infected female mosquitoes, however, produce normal numbers of offspring – which carry Wolbachia.
Explanation: