Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Question
Chapter 9, Problem 6FTB
Summary Introduction
To review:
The given blank space in the statement, “chromosomes attach to spindle microtubule at a structure are called _____. Some spindle microtubules called _____ microtubule, do not bind to the chromosome but have free ends that overlap along the equator of the cell. These microtubules push the poles of the cell apart.”
Introduction:
The chromosome consists of deoxyribonucleic acid (DNA) which carries the genetic material. The center constricted point of the chromosome is known as the centromere. The chromosome majorly has two arms: shorter p arm and a longer q arm. They hold the two sister chromatid together.
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Chapter 9 Solutions
Biology: Life on Earth (11th Edition)
Ch. 9 -
1. A cell that remains capable of dividing...Ch. 9 - The chromosomes of a cell are lined up along the...Ch. 9 -
3. The chromosomes first attach to the spindle...Ch. 9 - How does prokaryotic fission differ from...Ch. 9 -
5. Which of the following is NOT true of mitotic...Ch. 9 - Prob. 1FTBCh. 9 -
2. Prokaryotic cells divide by a process called...Ch. 9 - Growth and development of eukaryotic organisms...Ch. 9 - Eukaryotic cells are often stimulated to divide by...Ch. 9 - The four phases of mitosis are _______, _______,...
Ch. 9 - Prob. 6FTBCh. 9 - Prob. 1RQCh. 9 -
2. Define mitosis and cytokinesis. What changes...Ch. 9 - Diagram the stages of mitosis. How does mitosis...Ch. 9 - Prob. 4RQCh. 9 -
5. Describe and compare the process of...Ch. 9 - How is the cell cycle controlled? Why is it...Ch. 9 - Diagram and describe the prokaryotic cell cycle.Ch. 9 - Most nerve cells in the adult human central...Ch. 9 - Cancer cells divide out of control. Side effects...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_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_forwardWhich of the following statements about the M cyclin:CDK are FALSE: It promotes nuclear envelope assembly at the end of M phase It phosphorylates the APC/C to activate it It phosphorylates microtubule binding proteins to promote spindle formation Its activity is regulated by phosphorylationarrow_forward
- You view a mature, living plant cell such as an epidermal cell under the light microscope. You view the cell at sufficiently-high magnification and you have also stained the cell for chromatin. The cell has a nucleus, yet you cannot see chromosomes, at least in their typical ’sausage-formed’ shape as we all know them from textbooks. Why is that?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_forwardIntegration 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_forward
- Which of the following is not a cellular activity associated with microtubules? maintenance of axons mititotic spindle cilial structure cell shape orientation of cellulose microfibrils All of the following are roles of microfilaments except cell migration. muscle cell contraction. mitotic spindle formation. cytoplasmic streaming. amoeboid movement.arrow_forwardDuring cell division, centromeres have separated, and chromatids are pulled apart, becoming chromosomes. What happens after the chromosomes are pulled to opposite ends of the cell? Top of Form Prophase Anaphase Metaphasearrow_forwardThis is a picture of Prophase: Explain why you know this cell is in prophase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle 24 étv Aa MacBook Air 80 888 DII DD F3 F4 F5 F6 F7 F8 F9 F10 @ # $ & з 4 6. 7 8 9 W E R Y P D F G H J K > V M. V Barrow_forward
- Which of the following are short lives microtubules? Spindle fibers Cilia Flagella All of the abovearrow_forwardWhich of the following statements is true? O The contractile ring divides the nucleus in two. O The contractile ring is made of microtubules. OThe mitotic spindle helps segregate the chromosomes. O The mitotic spindle is made of intermediate filaments.arrow_forwardwhich of the following would indicate that a cell is in metaphase? Thin, threadlike chromosomes are widely dispersed in the nucleus. Chromosomes appear as dark granules in the nucleus. Centromeres of chromosomes lie on the equator of the cell. Two sets of chromosomes are present on opposite poles of the cell.arrow_forward
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