The peas haven't start germinating, which means no leaves. They can't undergo photosynthesis to produce oxygen. At this stage they are still undergoing respiration, which produce carbon dioxide.
Histamine inhibits the chemotaxis which is the movement of cells along the gradient.
Histamine:
It is a neurotransmitter that is released by the mast cells in response to an allergen that causes an allergic reaction. It is responsible for redness of the inflamed area, heating, movement of leukocytes, and defense proteins to the site of injury. Histamine is responsible for vasodilation and increased permeability. The immune cells move to the site of injury and cause the flow of blood to the injured site. It plays an important role in allergic and hypersensitivity reactions. Histamine is also responsible for gastric secretion, smooth muscle contraction, and itching.
Learn more about histamine here:
brainly.com/question/1217609
#SPJ4
Answer:
Plant and animal cells have a plasma membrane, a nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, peroxides, and micro-tubules.
Explanation:
Both animal and plant groups have few alike structural elements. Leading off, they are both eukaryotic, which indicates they have a specified nucleus. The nucleus comprises chromosomes. It is guarded and enclosed by the cytoplasm, which is a wet or gel-like liquid. Animal and plant cells own a cell membrane that encloses the cell.
A. They both have a mitochondria
