celldivision

celldivision - a no centrioles a no astral rays a cell...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 CELL DIVISION a Binary fission ` prokaryotes (bacteria) a ` division of cells a Meiosis ` division to produce gametes (sex cells) 2 Binary Fission a Prokaryotes a Steps: 1. DNA replication 2. Cytosol increase 3. Cell wall and membrane form 4. Formation of daughter cells 3 Cell Cycle, Stages Eukaryotes a Interphase ` G 1 ` S ` G 2 a Mitotic Phase (M) ` Mitosis (prophase, metaphase, anaphase, telophase) ` Cytokinesis
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Overview: 2n = two 2n Separate sister chromatids 2n (diploid) 2n (diploid) 2n (diploid) 5 Interphase a G 1 : first growth phase ` cytosol increase ` organelle division, a S : synthesis ` DNA replication a G 2 : second growth phase ` microtubular assembly 6 Mitotic Phase (M) a Mitosis : division of DNA (precise) ` prophase ` metaphase ` anaphase ` telophase a cytokinesis : division of cytoplasm (rough)
Background image of page 2
7 Comparison of Mitosis Animal a centrioles a astral rays a cleavage furrow Plant
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a no centrioles a no astral rays a cell plate 8 Mitosis Exercises a Chromosome replication ` answer questions a Slides; find interphase, mitosis, cytokinesis ` whitefish blastula - animal ` onion root tip - plant a Models of Mitosis, examine 9 Meiosis a division of DNA to produce gametes that are haploid (1n) a two divisions: ` Meiosis I ` Meiosis II a fertilization restores diploid number 10 Overview: 2n = four 1n I: separate homologues II: separate sister chromatids 1n 1n 1n 2n 1n 1n 1n 11 Sequence Interphase I * Meiosis I * Meiosis II ` prophase I- prophase II ` metaphase I- metaphase II ` anaphase I- anaphase II ` telophase I- telophase II Cytokinesis Cytokinesis 12 Meiosis Exercises a Models of Meiosis, examine a Pop beads exercise...
View Full Document

Page1 / 4

celldivision - a no centrioles a no astral rays a cell...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online