If there is lack of water that will reduce the amount of oxygen that the place give of and it will make everything colder because of the lack in water.
Answer:
Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes.
Anaphase is the stage of mitosis and meiosis in which the chromosomes move toward the poles of the spindle.
Telophase is the final stage of mitosis and of the second division of meiosis in which the spindle disappears and the nucleus reforms around each set of chromosomes.
Cytokinesis is the division of cells after either mitosis or meiosis I and II.
Explanation:
Answer:
peptide antigens by MHC class II molecules
Explanation:
Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines to assist the immune response.
Mastication is just a fancy way to say chewing. Since nothing chemical is going on and the food is just being chewed, the answer is physical.