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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?.
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Chapter 12The Cell Cycle Concept Check Questions
Chapter 12The Cell Cycle Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?
Chapter 12The Cell Cycle Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells? 25 = 32
Chapter 12The Cell Cycle How many chromatids are in a duplicated chromosome?
Chapter 12The Cell Cycle How many chromatids are in a duplicated chromosome? 2
Chapter 12The Cell Cycle 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 12The Cell Cycle 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”? 39 39 78 39
Chapter 12The Cell Cycle During which stage of a cell cycle would a chromosome consist of two identical chromatids?
Chapter 12The Cell Cycle During which stage of a cell cycle would a chromosome consist of two identical chromatids? The end of S through the end of metaphase
Chapter 12The Cell Cycle Compare cytokinesis in plant cells and animal cells.
Chapter 12The Cell Cycle Compare cytokinesis in plant cells and animal cells. cleavage furrow vs. cell plate
Chapter 12The Cell Cycle What is a function of nonkinetochore microtubules?
Chapter 12The Cell Cycle What is a function of nonkinetochore microtubules? Elongate the cell during anaphase
Chapter 12The Cell Cycle Identify three similarities between bacterial chromosomes and eukaryotic chromosomes, considering both structure and behavior during cell division.
Chapter 12The Cell Cycle Identify three similarities between bacterial chromosomes and eukaryotic chromosomes, considering both structure and behavior during cell division. • Single molecule of DNA with proteins • Many times longer than cell • Two copies actively move apart • One copy goes to each daughter cell
Chapter 12The Cell Cycle A researcher treats cells with a chemical that prevents DNA synthesis. This treatment traps the cells in which part of the cell cycle?
Chapter 12The Cell Cycle A researcher treats cells with a chemical that prevents DNA synthesis. This treatment traps the cells in which part of the cell cycle? G1
Chapter 12The Cell Cycle What is the go-ahead signal for a cell to pass the G2 phase checkpoint and enter mitosis?
Chapter 12The Cell Cycle What is the go-ahead signal for a cell to pass the G2 phase checkpoint and enter mitosis? MPF
Chapter 12The Cell Cycle What phase of the cell cycle are most of your body cells in?
Chapter 12The Cell Cycle What phase of the cell cycle are most of your body cells in? G0
Chapter 12The Cell Cycle Compare and contrast a benign tumor and a malignant tumor.
Chapter 12The Cell Cycle Compare and contrast a benign tumor and a malignant tumor. • Both are abnormal cells • Benign stays at original site • Benign can be removed • Malignant impairs organ function • Malignant spreads via metastasis. • .
