the common name for a group of one-celled organisms that are similar to bacteria, many of which do not require oxygen or sunlight to live

a parasitic plant lacking chlorophyll and leaves and true stems and roots and reproducing by spores

any of the various types of human blood whose antigen characteristics determine compatibility in receiving blood from another person

a man-made biological preparation that improves immunity to a particular disease

proteins that work to identify and help remove foreign substances such as viruses

a toxin or other foreign substance that induces an immune response in the body

basic structural and functional unit of life

the cell that stores materials

outer tough and often flexible layer surrounding plant cells but not animal cells

specialized structures within a living cell that help the cell perform its function

the part of eukaryotic cell division during which the nucleus of the cell divides

period of the cell cycle between cell divisions

1st and longest phase of mitosis in which the genetic material inside the nucleus condenses, chromosomes organize and centrioles move to opposite end of cell

phase of mitosis in which the chromosomes line up across the center of the cell

phase of mitosis in which the chromosomes separate and move to opposite ends of the cell

last phase of mitosis in which the distinct individual chromosome begin the spread back out into the chromatin

division of the cytoplasm to form two separate daughter cells

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