Helper T cells are found in the <u>Thymus.</u>
Explanation:
Immature T-cells are formed in the bone marrow, just like any other blood cells, through the process of hematopoiesis. These immature T cells are then transported to the thymus where they mature and differentiate into the different types of T cells; cytotoxic, helper and regulatory. T-helper cells, also called CD4⁺ cells, are important in activating B-cells and T-cytotoxic cells in case of infection.
Answer:
Polyploidy is the state of a cell or organism having more than two paired (homologous) sets of chromosomes.
Explanation:
Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two sets of chromosomes—one set inherited from each parent.
Answer:
Examples of where primary succession may take place include the formation of new islands, on new volcanic rock, and on land formed from glacial retreats.
It is responsible for your body's 'fight or flight' reaction it also looks after the workings of your body during rest and recuperation. It also controls your heart rate and body temperature under normal conditions.
Explanation:
Injuries. Drinking too much increases your chances of being injured or even killed. ...
Health problems. Drinking can cause a number of health problems. ...
Birth defects. Drinking during pregnancy can cause brain damage and other serious problems in the baby. ...
Alcohol use disorder.
