1 1 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and.

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1 1 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and animals? Mrs. Camp 7 th Grade Life Science

How do little elephants grow up to be BIG elephants?

The process of asexual reproduction (cell life cycle) begins after a sperm fertilizes an egg.

Skin cancer - the abnormal growth of skin cells - most often develops on skin exposed to the sun. Cell that reproduce by asexual reproduction reproduce constantly.

Animated Cell Life Cycle Cell Life Cycle Stages Interphase M1- Prophase M2- Metaphase M3- Anaphase M4- Telophase Cytokinesis

Chromosomes and ALL organelles are copied. Chromosomes appear as threadlike coils ( chromatin ) at the start, but are almost invisible with a light microscope. CELL MEMBRANE Nucleus Cytoplasm

Animal Cell Plant Cell Photographs from:

Mitosis begins. Chromosomes visible. Centrioles (or poles) appear and begin to move to opposite end of the cell. (Not in Plants) Spindle fibers form between the poles. Centrioles Sister chromatids Spindle fibers

Animal Cell Plant Cell Photographs from: Spindle fibers

Chromatids (or pairs of chromosomes) attach to the spindle fibers in middle of cell. Centrioles Spindle fibers

Animal Cell Plant Cell Photographs from:

Chromatids (or pairs of chromosomes) separate and begin to move toward opposite ends of the cell. Centrioles Spindle fibers

Animal Cell Plant Cell Photographs from:

Chromosomes are at across ends of cell. Chromosomes appear as chromatin (threads rather than rods). Two new nuclei form Mitosis ends. Nuclei Chromatin

Animal Cell Plant Cell Photographs from:

Cell membrane moves inward to create two daughter cells – each with its own nucleus with identical chromosomes.

Animal Cell Life Cycle - Review Interphase M1-Prophase M2- Metaphase M3- Anaphase M4- Telophase Cytokinesis

Plant Cell Life Cycle -- Review Interphase M1- Prophase M2- Metaphase M3- Anaphase M4- Telophase Cytokinesis Cell Wall Plate Forms

I I nterphase P P rophase- M1 M M etaphase- M2 A A naphase- M3 T T elophase- M4 C C ytokinesis IPMATC I Play M usic At T he Concert.

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22 - Cell Division 22