Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 7, Problem 6PL
Sister chromatids separate to opposite poles during
- telophase.
- anaphase.
- prophase.
- metaphase.
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Anaphase: The kinetochore microtubules that make up the spindle begin to shorten, separating the sister
chromatids from one another and drawing each to opposite poles of the cell. Polar microtubules assist in
this process as they begin to lengthen and push the poles farther from each other.
Why is this separation of chromatids necessary?
Name the stage of cell cycle at which one of the following events occur:(i) Chromosomes are moved to spindle equator.(ii) Centromere splits and chromatids separate.(iii) Pairing between homologous chromosomes takes place.(iv) Crossing over between homologous chromosomes takes place.
Which of the following occurs during interphase?
Sister chromatids separate.
Chromatin becomes tightly coiled.
The mitotic spindle forms.
Chromosome duplication.
Chapter 7 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 7 - Which of the following is not part of interphase?...Ch. 7 - A cellin the stage of G-zero divides continuously....Ch. 7 - Which is the correct sequence of the M (mitotic)...Ch. 7 - Which of the following events occurs in prophase?...Ch. 7 - Which of the following events occurs during...Ch. 7 - Sister chromatids separate to opposite poles...Ch. 7 - A human diploid cell has ____________ chromosomes....Ch. 7 - In animal cells, the indentation where the cells...Ch. 7 - A karyotype is used to count centrioles and...Ch. 7 - Daughter cells are formed from cell cycles. True...
Ch. 7 - Which phase of the cell cycle was the most...Ch. 7 - Complete the table by listing the major events of...Ch. 7 - In what ways are the new cells (daughter cells),...Ch. 7 - Distinguish between mitosis and cytokinesis.Ch. 7 - Identify the mitotic phase represented by each of...Ch. 7 - Prob. 4.2A
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- Assuming mitosis is divided into prophase, prometaphase, metaphase, anaphase, and telophase, identify the events that take place in prometaphase. Microtubules attach to kinetochores. All chromosomes are aligned on the metaphase plate. The nucleolus disappears. Chromosomes condense. Sister chromatids split. The chromosomes move toward the equator by action of the kinetochore microtubules. Centrioles replicate. The nuclear envelope disappears. Spindle fibers form. Centrioles are migrating to opposite sides of the nucleus. U U U 00arrow_forwardWhich of the following is NOT correct answer about telophase of mitosis: The mitotic spindle is formed in this phase Two new nuclei form, and two sets of chromosomes Nuclear membrane and nucleoid reappear in this phase The enzyme aminoacyl TRNA synthetase charges the TRNA molecules with the correct amino acids FRNA molecules with the correct amino acids MRNA molecules with the correct amino acidsarrow_forwardDescribe the cell cycle using the following words: Interphase G1 G2 S phase M phase (mitosis) Prophase Metaphase Anaphase Telophase Cytokinesis Apoptosis Check Points feedbackarrow_forward
- Describe the mitotic spindle. Include what it is made of, how it forms, and what its role is in cell division.arrow_forwardWhich of the following marks an important event during telophase? movement of chromosomes at the metaphase plate nuclear envelope starts to reappear movement of chromosomes at the opposite poles Ochromosome condensationarrow_forwardCell Cycle: Events Name the cell cycle stage in which each event takes placr Each answer choice is used once and only once. Each chromosome is duplicated. [Choose] Mitosis The cell divides into two daughter Interphase Cytokinesis cells. G1 G2 Cell contents, except for chromosomes, are duplicated. Chromatids are separated from cach Mitosis other forming two identical nuclei. The majority of the cell's life, when it Interphase is not actively engaged in chromosomal or cellular division. The cell double-checks duplicatcd G2 chromosomes and makes any needed repairs.arrow_forward
- Compare and contrast the following terms: Anaphase and telophasearrow_forwardCell Cycle: Events Name the cell cycle stage in which each event takes place. Each answer choice is used once and only once. Each chromosome is duplicated. S. The cell divides into two daughter Mitosis cells. Cell contents, except for G1 chromosomes, are duplicated. Chromatids are separated from cach Interphase other forming two identical nuclei. The majority of the cell's life, when it is not actively engaged in chromosomal or cellular division. Cytokinesis The cell double-chccks duplicated G2 chromosomes and makes any nceded repairs.arrow_forwardSister chromatids separate and the new chromosomes begin to move toward the poles. Name: The chromosomes reach the poles, the nuclear envelope reforms, chromatin decondenses, and now the cell is ready for cytokinesis. Name: 101arrow_forward
- Separation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forwardMatch each stage with the events listed. ___ metaphase a. sister chromatids move apart ___ prophase b. chromosomes condense ___ telophase c. new nuclei form ___ interphase d. chromosomes aligned midway between spindle poles ___ anaphase e. G1, S, G2 ___ cytokinesis f. cytoplasmic divisionarrow_forwardS. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphasearrow_forward
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