Answer: Serotonin
Explanation:
Serotonin is an hormone, derived from the amino acid, tryptothan. It is involved in vasodilation, sleep regulation, mood changes, capillary permeability, and causes contraction of smooth muscles like that of the stomach to signal hunger.
Answer:
The correct answer is - by absorbing too much sodium and water into the cells in the respiratory system.
Explanation:
Cystic fibrosis or CF is a genetic disorder that is caused by the presence of two defective genes that leads to the production of thick and sticky mucus in an individual that affects the respiratory and digestive system by clogging mucus in it.
Due to defective genes, there is an abnormal electrolyte transport system develops in which cells of the respiratory system including the lungs absorb an excessive amount of salt (sodium) and water. It all caused by deletion of the three letters which means an amino acid from a gene that leads to the disruption of the protein that controls the production of the mucus and abnormal electrolyte transport.
Answer:
This is called Night blindness.
Explanation:
It is also known as nyctalopia and is a vision impairment. this happens when the rods in the eyes do not transform light into the nerve impulses efficiently and easily than normal. As a result you will be having hard time seeing in dark places where there is only minimal light.
This is can be caused by cataracts, nearsightedness, usher syndrome or deficiency of vitamin A. These can be cured by certain procedures. To prevent developing this eye problem, it is important to take care of your eyes. you should monitor sugar levels and eat the right foods. foods that are abundant in vitamin A and other antioxidants would in preventing it.
Answer:
1) Immunogene
2) immunoglobulin / antibodies
3) Antigen
4 Vaccine
Explanation:
Vaccine: vaccines are made from a weakened or killed form of a Disease causing micro organism
Antigen : these are toxins or foreign substances that causes or stimulates immune response in the body
Immunoglobulin: they are also known as antibodies, they are protein produced by the by the white blood cells to combat foreign substances
Immunogene: these are molecules or substances that have the capability of stimulating immune response by the immune system of an organism.
Answer:
as the field of science, biology help as to understand the living world and the ways it's many species
