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Worksheet+7 - Bio 93 Worksheet 7 Lecture 15 and 16 Lecture...

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Bio 93 Pooja Patel Worksheet 7 – Lecture 15 and 16 [email protected] Lecture 15: Cell Cycle, Mitosis Cell division: for reproduction and growth Two cell types o Somatic cells _____________________ ____ copies of each chromosome o Gametes _____________________ ____ copy of each chromosome All cells start as diploid cells Mitosis o _____________________ cells o ____ Daughters cells _____________________ to parents o Diploid Cell Cycle o Interphase _____: synthesis of macromolecules and cytoplasmic organelles S: _____________________ _____________________: DNA polymer ______________: nucleotide sequence for a unique protein DNA Replication o Before replication: ____ single chromosomes ____ chromatids o After replication ____ duplicated chromosomes ____ chromatids (46 pairs) o Semi-conservative After replication, DNA _____________________ ____: Additional growth o Mitosis 1. _____________________ a. Mitotic spindle forms, made by centrosomes (MTOC) b. Chromosomes condense 2. _____________________ a. _____________________ fragments b. Kinetichores attach to _____________________ on chromosomes 3. _____________________ a. Chromosomes line up on _____________________ b. Centromeres are at poles of cell 4.
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