Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 9, Problem 6FIB
Summary Introduction
Introduction:
A chromosome is a DNA molecule with all the genetic material. It is a thread like structure present in the nucleus in coiled form around a protein called histone that supports its structure.
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Chapter 9 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 9.1 - describe the types of cells found in a...Ch. 9.1 - describe the functions of cell division in...Ch. 9.2 - describe the prokaryotic cell cycle and the major...Ch. 9.3 - describe the structure of a eukaryotic chromosome?Ch. 9.3 - describe the functions of telomeres and...Ch. 9.4 - Body, Heal Thyself Ligaments and tendons have a...Ch. 9.4 - describe the events of the eukaryotic cell cycle?Ch. 9.4 - explain the difference between mitotic cell...Ch. 9.5 - Body, Heal Thyself The precision of mitotic cell...Ch. 9.5 - describe the steps of mitotic cell division?
Ch. 9.5 - What would the consequences be if one set of...Ch. 9.5 - describe the usual outcome of mitotic cell...Ch. 9.5 - Prob. 3CYLCh. 9.6 - Body, Heal Thyself Bartolo Colns physicians wanted...Ch. 9.6 - Prob. 1CTCh. 9.6 - describe the interactions among growth factors,...Ch. 9.6 - Yesterday, when Daniel was showering after a...Ch. 9.6 - The saliva of dogs, like the saliva of most...Ch. 9.6 - What would happen if a cell suffered a mutation...Ch. 9.6 - explain how a cell protects against producing...Ch. 9 - Most nerve cells in the adult human central...Ch. 9 - The genetic material of all living organisms is...Ch. 9 - A cell that remains capable of dividing throughout...Ch. 9 - Diagram and describe the eukaryotic cell cycle....Ch. 9 - Prob. 2ACCh. 9 - Prokaryotic cells divide by a process called...Ch. 9 - Prob. 2MCCh. 9 - Prob. 2RQCh. 9 - Prob. 3FIBCh. 9 - Prob. 3MCCh. 9 - Prob. 3RQCh. 9 - Prob. 4FIBCh. 9 - How does prokaryotic fission differ from...Ch. 9 - Define the following terms: centromere, telomere,...Ch. 9 - The four phases of mitosis are _________,...Ch. 9 - Prob. 5MCCh. 9 - Prob. 5RQCh. 9 - Prob. 6FIBCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQ
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- Which of the following statements regarding microtubules is FALSE? Microtubules are typically arranged in cells such that thoir plus (+) ends are directed towards the plasma membrane and their minus (-) ends are attached to the centrosomes. Microtubules are composed of 13 protofilaments that are arranged into a hollow cylinder. Microtubules are polar. Microtubule-binding proteins, such as Tau, bind to microtubules to destabilizo thom. Microtubules are inherently unstable and rapidly disassemble with low/ GTIP concentrations.arrow_forwardMitosis occurs in stages. Which represents best the correct order? O Anaphase>Metaphase>Prometaphase>Prophase>Telophase>Cytokinesis O Prometaphase> Metaphase>Anaphase> Telophase>Prophase>Cytokinesis O Cytokinesis>Anaphase>Metaphase>Prometaphase>Prophase>Telophase O Metaphase>Anaphase> Telophase>Prophase>Cytokinesis> Prometaphase O Prophase >Prometaphase> Metaphase>Anaphase> Telophase>Cytokinesisarrow_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_forward
- Mitosis takes place in non-sexual cells called ________________ cells. What phase of cellular division does DNA replication occur? The longest stage of mitosis is ____________________. Division of cellular cytoplasm at the end of mitosis is called ____________________. Mitosis is complete at what stage?arrow_forwardThe drug taxol is extracted from the bark of yew trees. It binds tightly to microtubules and stabilizes them. When added to cells, it causes much of the free tubulin to assemble into microtubules. Taxol can be used as an anticancer drug. At the molecular level, what does the drug prevent? At the cellular level, what part of cell division does it prevent? Be specific.arrow_forwardFigure 3.7 What structures does a plant cell have that an animal cell does not have? What structures does an animal cell have that a plant cell does not have?arrow_forward
- the light micrograph shows dividing cells near the tip of an onion root. identify and encircle a cell in each of the following stages: phrophase , prometaphase, metaphase ,anaphase and telophase. describe the major events occuring at each stage.arrow_forwardIn the mitotic spindle, astral microtubules function to: connect the spindle poles attach chromosomes to the spindle carry out cytokinesis anchor the spindle poles to the plasma membranearrow_forwardEven though cytokinesis is included with Mitosis, we generally consider it to be its own phase. Why? by the time cytokinesis occurs, the cell has already split by the time cytokinesis occurs, the cytoplasm has already split by the time cytokinesis occurs, the nucleus has already split by the time cytokinesis occurs, the cell has copied all of its chromosomesarrow_forward
- 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 does not occur during mitosis? condensation of the chromosomes separation of sister chromatids replication of the DNA O spindle formationarrow_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_forward
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