Bitesize Nuggets

#   a proton is positively charged

#   the six characteristics of the living cell are: respiration / digestion and absorption of food / growth and repair / extretion / reproduction and irritability and conductivity

#   digestion is the process of breaking down food into fewer more simple molecules

#   the waste product of combustion (inhalation of oxygen) is expelled as carbon dioxide / carbonic acid

#   simple fission is a manner of reproduction whereby the nucleus divides to form two nuclei in one cell … then the cytoplasm divides to form two daughter cells within it own nucleus, so it is in short, reproduction

#   hereditary data is stored within the nucleoplasm of the cell

#   a cell and all it activities are controlled by the nucleus / cell membrane

#   there are 23 pairs of chromosomes in a human cell

#   mitosis is the division of cells through five stages – prophase – the initial divide, metaphase, anaphase, telophase and there the formation of two separate daughter cells .. mitosis is when one cell reproduces to make two new individual cells