Bio september 14

Bio september 14 - Mitosis: preserves chromosome number in...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Mitosis: preserves chromosome number in eukaryotic cell division identical chromosomes are distributed to eavch pole of the cell nuclear envelope forms around each grou of chromosomes Interphase-parts of the cell cycle but NOT part of mitosis Prophase- chromosomes starting to condense, nucleoulus starts to disappear,nuclear envelope starts to break down, developing of mitotic spindle Dupiclated Chromosomes sister chromatids identical to one another. ..because one made a copy of eachother during s-phase Sister centromeres constricted regions . ..join sister chromatids to each other Sister kinetochore-each is a protein structure microtubules bing. .centromere region Metaphase Chromosomes align to cells mid-plane Mitotic Spindle is complete Microtubules attach to kinetochore Microtubule organizing center-organizes mitotic spindle Only animal cells have it or higher plant cells(all eukaryotic cells have it) Only some cells have centrioles(cells of species that are capable of making cilia or flagella
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Bio september 14 - Mitosis: preserves chromosome number in...

This preview shows document pages 1 - 2. Sign up to view the full document.

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