First year of using logbook. You must keep a logbook during this income year. Using the car for less than 12 weeks before the end of the income year. You are able to continue to keep the logbook in the following income year so that your logbook covers the required 12 weeks. Keeping logbooks for two or more cars. The logbook for each car must cover the same period.
Natural killer cell: A cell that can react against and destroy another cell without prior sensitization to it. Abbreviated NK cell. NK cells are part of our first line of defense against cancer cells and virus-infected cells. NK cells are small lymphocytes that originate in the bone marrow and develop without the influence of the thymus. An NK cell attaches to a target cell, releases chemicals that breach its cell wall, and causes it to lyse (break up).
Natural killer cells are white blood cells (lymphocytes) that seek out and kill cancerous or otherwise mutating cells that can harm the body.Also known as NK cells or just K cells, these natural killer cells are a natural part of our immune systems.atural killer cells are white blood cells (lymphocytes) that seek out and kill cancerous or otherwise mutating cells that can harm the body.