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study guide for ch2
notes for ch 2
Question | Answer |
---|---|
what phase does a cell spend most of its time in | Interphase |
What are the three phases of Interphase | G1- growth and celluar functioning S- growth and chromosomes duplicate G2- growth and organells replicate |
Chromosomes during interphase in preparation for Mitosis | Cell division is one cell splitting in two identical cells, and it includes six phases in all |
What are the phases of cell division | Interphase, prophase metaphase, anaphase, telophase, cytokenesis |
wht are the five words that start with c | centrioles, organells in cytoplasm that anchor spindle fibers during mitosis Chromosomes, tightly coiled, x shaped DNA Chromatids, identical dna strands, joined at the centomere centromere, structure that connects two sister chromatids after replicatio |
cells do not increase in size only in number, and growing organisms get more cells | dont forget chromatin |
the level of organization | an undifferentiated cell can become any cell in the body |
undifferentiated cells are stem cells | eukaryote is a cell with a nucleus and a prokaryote is a cell without a nucleus |