Velocity can vary as long there is specific direction (displacement)
Speed has no direction therefore change in speed is not necessary the velocity...
Velocity is also in a specified direction
An important part of gamete<span> production is </span>meiosis<span>. In this process, diploid </span>cells<span> get the karate chop to turn them into haploid </span>cells<span>. Although sperm and egg production differ in many ways, </span>meiosis<span> is critical to both processes. ... The parent </span>cell<span> has two sets of chromosomes </span>
The immune system monitor continuously the lymphocyte cell levels in order to ensure the protection of the body. These cells are a type of white blood cells that are important in determining the specificity of the response of the body to foreign substances and infectious microorganisms. This group of cells include the T cells, B cells and the natural killer cells. These are produced in the bone marrow and are transported to the lymphatic systems like the thymus, spleen and the lymph nodes. The NK cells function in cytotoxic innate immunity or the cell-mediated ones. T-cells would function by connecting to virus antigens on the outside of a cell that is infected while B-cells would connect to the virus directly in its surface.
B. longitudinal I believe
