Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 14.2, Problem 2TYK
Summary Introduction
Introduction:
The cell is the basic unit of life and the series of event that takes place in a living cell during its life is known as the cell cycle. In the last M stage or the mitotic phase of the cell cycle, the cell is divided into two. The mitosis itself is divided into four sub-stages, these are prophase, metaphase, anaphase, and telophase.
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Which of the following events occurs in metaphase?
Multiple Choice
Spindle disappears
Nuclear envelopes reassemble
Sister chromatids separate
Chromosomes align along equator
Which of the following occurs during prophase?
The nuclear envelope forms.
Chromosomes line up on the midline of the cell.
Sister chromatids separate.
The mitotic spindle begins to form.
Which 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
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MRNA molecules with the correct amino
acids
Chapter 14 Solutions
Principles of Biology
Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Refer back to Figure 13.13. How do checkpoint...Ch. 14.1 - A cell that is diploid has two chromosomes. pairs...Ch. 14.1 - In eukaryotes, DNA replication produces sister...Ch. 14.1 - Prob. 3TYKCh. 14.2 - Refer back to the karyotype in Figure 14.1. In...Ch. 14.2 - What are the functions of the three types of...Ch. 14.2 - Prob. 1TYKCh. 14.2 - Prob. 2TYK
Ch. 14.2 - Sister chromatids separate from each other during...Ch. 14.2 - With regard to chromosome composition, how does...Ch. 14.3 - Prob. 1CCCh. 14.3 - Prob. 2CCCh. 14.3 - What is the main reason for meiosis in animals?...Ch. 14.3 - In meiosis I, crossing over occurs during...Ch. 14.3 - Prob. 2TYKCh. 14.3 - Prob. 3TYKCh. 14.4 - Prob. 1CCCh. 14.4 - A chromosome in which the telomere is at one end...Ch. 14.4 - Prob. 2TYKCh. 14.4 - Prob. 3TYKCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Checkpoints during the cell cycle are important...Ch. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Distinguish between homologous chromosomes and...Ch. 14 - The Oca2 gene, which influences eye color in...Ch. 14 - PRINCIPLES A principle of biology is that cells...Ch. 14 - Why is it necessary for chromosomes to condense...
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- Integration of the nuclear envelope, reappearance of the nucleus, uncoiling of the chromosomes, and disintegration of the spindle fibers happen shortly but do not manifest completely. O telophase I O telophase II telophasearrow_forwardWhich of the following occurs during interphase? Sister chromatids separate. Chromatin becomes tightly coiled. The mitotic spindle forms. Chromosome duplication.arrow_forwardAnaphase: 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?arrow_forward
- The centromeric connections between chromatids fail to be severed. Kinetochores from sister chromatids become attached to microtubules from the same pole. A motor protein at the kinetochore is not functional. The chromosomes fail to attach to the kinetochore microtubules. Chromosomes will not move to the metaphase plate. Chromatids will not separate during anaphase. One kinetochore will detach from the spindle. Chromosomes will not move toward centrosome during prometaphase.arrow_forwardCytokinesis takes place after telophase. True False Both aerobic and anaerobic respiration produce ATP True False Which of the following events does not take place during prophase? Movement of chromosome to the mid zone of the nucleus. Construction of spindle fibre. Chromosomes are separated as chromatids. O The chromosomes condense into compact structures.arrow_forwardAssuming 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_forward
- Cell 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_forwardPut the following phases of the cell cycle and mitosis in the correct order. Prometaphase Interphase - S phase Telophase Prophase Anaphase Interphase - G1 Metaphase Interphase - G2arrow_forwardBiology Questionarrow_forward
- Early prophase Anaphase phase and cytokinesis Interphase Late prophase Metaphasearrow_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_forwardDescribe the mitotic spindle. Include what it is made of, how it forms, and what its role is in cell division.arrow_forward
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license