Answer:
Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Changes in chromatin structure are associated with DNA replication and gene expression.
Explanation:
They need approximately 70 grams of protein in their diet
It carries oxygen throughout the body
Answer:
Nitrogenous base, a Pentose sugar, and a Phosphate group.
Coughing can be a symptom along with shortness of breath
