A niche is an organism's role in a community.
What it eats, Where it eats, When it eats, and its job in that environment.
Answer:
The correct answer is option b. "20 H1, 40 H2A".
Explanation:
Chromatin is a complex that protects and condenses the genetic material comprised of DNA and proteins. When chromatin is in the form of a 30 nm fibril, nucleosomes have a regular positioning along the DNA. This means that each nucleosome is associated with a single H1 molecule. Therefore a chromatin containing 20 nucleosomes will have 20 copies of H1 and 40 copies of H2A, because each nucleosome has 2 copies of the core histone H2A.
They're both types of active transport that are the intake of something into a cell. Khan Academy has a great article on this. I recommend checking that out.
Answer:
Inflammation
Lung consolidation
Formation of exudates
Explanation:
Pneumonia could be caused by Bacteria, viruses, and fungi. The air sacs are usually affected and characterized by presence of pus in the sacs. It could be serious and life threatening and can be treated with antibiotics.
The pathogenesis of pneumonia includes the inhalation of microbial agents, Inflammation , Lung consolidation and Formation of exudates.