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1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.