Chapter 12 T h e C e l l C y c l e

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Chapter 12 The Cell Cycle

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Chapter 12 T h e C e l l C y c l e. Chapter 12 T h e C e l l C y c l e. Concept Check Questions. Chapter 12 T h e C e l l C y c l e. Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?. - PowerPoint PPT Presentation

Transcript of Chapter 12 T h e C e l l C y c l e

Page 1: Chapter 12 T h e  C e l l  C y c l e

Chapter 12

The Cell Cycle

Page 2: Chapter 12 T h e  C e l l  C y c l e

Concept Check Questions 

Chapter 12

The Cell Cycle

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Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?

Chapter 12

The Cell Cycle

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Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?

25 = 32

Chapter 12

The Cell Cycle

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How many chromatids are in a duplicated chromosome?

Chapter 12

The Cell Cycle

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How many chromatids are in a duplicated chromosome?

2

Chapter 12

The Cell Cycle

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A chicken has 78 chromosomes in its somatic cells; how many chromosomes did the chicken inherit from each parent?  How many chromosomes are in each of the chicken’s gametes?  How many chromosomes will be in each somatic cell of the chicken’s offspring?  How many chromosomes are in a “set”?

Chapter 12

The Cell Cycle

Page 8: Chapter 12 T h e  C e l l  C y c l e

A chicken has 78 chromosomes in its somatic cells; how many chromosomes did the chicken inherit from each parent?  How many chromosomes are in each of the chicken’s gametes?  How many chromosomes will be in each somatic cell of the chicken’s offspring?  How many chromosomes are in a “set”?

Chapter 12

The Cell Cycle

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During which stage of a cell cycle would a chromosome consist of two identical chromatids?

Chapter 12

The Cell Cycle

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During which stage of a cell cycle would a chromosome consist of two identical chromatids?

Chapter 12

The Cell Cycle

The end of S through the end of metaphase

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Compare cytokinesis in plant cells and animal cells.

Chapter 12

The Cell Cycle

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Compare cytokinesis in plant cells and animal cells.

Chapter 12

The Cell Cycle

cleavage furrowvs.

cell plate

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What is a function of nonkinetochore microtubules?

Chapter 12

The Cell Cycle

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What is a function of nonkinetochore microtubules?

Chapter 12

The Cell Cycle

Elongate the cell during anaphase

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Identify three similarities between bacterial chromosomes and eukaryotic chromosomes, considering both structure and behavior during cell division.

Chapter 12

The Cell Cycle

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Identify three similarities between bacterial chromosomes and eukaryotic chromosomes, considering both structure and behavior during cell division.

Chapter 12

The Cell Cycle

•Single molecule of DNA with proteins•Many times longer than cell•Two copies actively move apart•One copy goes to each daughter cell

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A researcher treats cells with a chemical that prevents DNA synthesis. This treatment traps the cells in which part of the cell cycle?

Chapter 12

The Cell Cycle

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A researcher treats cells with a chemical that prevents DNA synthesis. This treatment traps the cells in which part of the cell cycle?

Chapter 12

The Cell Cycle

G1

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What is the go-ahead signal for a cell to pass the G2 phase checkpoint and enter mitosis?

Chapter 12

The Cell Cycle

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What is the go-ahead signal for a cell to pass the G2 phase checkpoint and enter mitosis?

Chapter 12

The Cell Cycle

MPF

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What phase of the cell cycle are most of your body cells in?

Chapter 12

The Cell Cycle

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What phase of the cell cycle are most of your body cells in?

Chapter 12

The Cell Cycle

G0

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Compare and contrast a benign tumor and a malignant tumor.

Chapter 12

The Cell Cycle

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Compare and contrast a benign tumor and a malignant tumor.

Chapter 12

The Cell Cycle

•Both are abnormal cells•Benign stays at original site•Benign can be removed•Malignant impairs organ function•Malignant spreads via metastasis.

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