Biology - Chp 10 - Cell Growth And Reproduction - PowerPoint

Cell Growth and Reproduction Chapter 10

The Big Idea ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Cell Cycle Cell Division Interphase Growth and Development Preparing for reproduction

Q: When a living thing grows, what happens to its cells? ,[object Object]

There are two main reasons why cells divide ,[object Object],[object Object]

Division of a cell ,[object Object],[object Object]

This solves the two problems of a growing cell ,[object Object],[object Object]

In eukaryotes cell division occurs in two main stages ,[object Object],[object Object]

Chromosomes ,[object Object],Chromosomes

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[object Object],[object Object],[object Object],[object Object],“ sister chromatids”

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Prophase ,[object Object],[object Object],[object Object],[object Object]

Metaphase ,[object Object],[object Object]

Anaphase ,[object Object],[object Object]

Telophase ,[object Object],[object Object],[object Object]

Cytokinesis (In plants) ,[object Object],[object Object]

Golgi vesicles move toward equator Early cell plate Cell Plate

The Big Picture! ,[object Object],[object Object],same nucleus

46 46 46 (Before Mitosis) (After Mitosis)

10-3 Regulating the Cell Cycle

[object Object],[object Object],1. How do you think the body repairs an injury, such as a cut on a finger? 2. How long do you think this repair process continues? 3. What do you think causes the cells to stop the repair process?

Controls on Cell Division ,[object Object],[object Object]

A sample of cytoplasm is removed from a cell in mitosis. The sample is injected into a second cell in G 2 of interphase. As a result, the second cell enters mitosis.

Cyclins ,[object Object],[object Object]

Internal Regulators ,[object Object],[object Object]

External Regulators ,[object Object],[object Object],[object Object],[object Object]

Cancer ,[object Object],[object Object],[object Object],[object Object]

Q: What causes the loss of growth control? ,[object Object],[object Object],[object Object],[object Object]

p53 ,[object Object],[object Object],[object Object]

Is a cure in sight? ,[object Object],[object Object],[object Object]

Biology - Chp 10 - Cell Growth And Reproduction - PowerPoint

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Biology - Chp 10 - Cell Growth And Reproduction - PowerPoint