Cell Growth Living things grow because they _____ more and more _____

Reasons to Reproduce _____ dead cells ________ Cells too ______

Why is Size a Prob? Hard to get nutrients in Hard to excrete waste 3cm 2cm 1cm

Rates Of Growth Fast Cells –_____ – Hair

Slow Cells Brain ______ _______

Bacteria Will reproduce within 20 minutes How many is that for 1 day if you start with just one?

Uncontrolled Growth ______

_______ Tumor- cells are dysfunctional not deadly

Malignant Deadly Spreads to other tissues, Called _______

Causes of Cancer _________ Mutagens Types: Carcinomas, sarcomas, Lymphomas Leukemia

Mitosis And you…

Mitosis Process where nucleus divides into _ nuclei with same # and kinds of __________ as the parent

Cytokinesis Process where ______ divides forming two cells

Chromosomes Hold DNA Made of _______

Chromatin Made of - DNA & _______ (uncoiled)

Chromosome Parts Chromatids –Coiled DNA __________ –Middle area

Cell Cycle Life cycle of the cell from birth to next generation

Karyotype Diploid Cells Haploid Cells

22 __________ Pairs of chromosomes one from each parent coding for the same gene

Interphase Prophase Metaphase Anaphase Telophase

Interphase P M A T

Interphase Period of Cell ______ G 1 DNA is ______ S Prepares for split G 2

Animal Cell _______

Plant Cell Interphase

I Prophase M A T

Prophase Preparation time _________ Visible Centrioles opposite end ________ fibers form

Animal Cell Prophase

Plant Cell Prophase

I P Metaphase A T

Metaphase __________ line up and meet in the middle

Animal Cell Metaphase

Plant Cell

I P M Anaphase T

Anaphase Chromatids ______ apart

Animal Cell Anaphase

Plant Cell

I P M A Telophase

Chromatids _______ Nuclear Envelope reforms

Animal Cell Telophase

Plant Cell

Cytokinesis ______ forms _________ splits 2 cells formed

Furrow

Cytokinesis In _______- –Cytoplasm pinches in two

Cytokinesis In Plants- –Cell _____ forms; then the cell wall

THE END