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 14.3, Problem 1CC
Summary Introduction
To analyze:
Similarities and difference between the cytokinesis of the plant and animal cells.
Introduction:
The cell division has two phases, they are karyokinesis and cytokinesis. The karyokinesis is the process of division of nuclear components and the genetic material. The cytokinesis is the division that occurs after karyokinesis. In this stage, the cytoplasm of the cell is divided into two different cells.
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Cytokinesis in plant cells is different than cytokinesis in animal cells. a) Explain why it has to be different, andb) briefly describe the processes in the two different cell types.
Which of the following are stages in the cytokinesis of animal cells? Select all that apply.
A) The cell plate expands along the plane of division, and when the plate fuses with the plasma membrane, the cytoplasm is partitioned into two new cells.
B) After telophase, the contractile ring constricts the plasma membrane and forms a cleavage furrow.
C) The contractile ring reaches its smallest diameter, and the spindle microtubules are cut as vesicles form the new membranes that separate the two new cells.
D) A contractile ring of microfilaments and motor proteins forms under the plasma membrane during anaphase.Assessment question
Which of the following are stages in the cytokinesis of animal cells? Select all that apply.
A) The cell plate expands along the plane of division, and when the plate fuses with the plasma membrane, the cytoplasm is partitioned into two new cells.
B)After telophase, the contractile ring constricts the plasma membrane and forms a cleavage furrow.
C)The contractile ring reaches its smallest diameter, and the spindle microtubules are cut as vesicles form the new membranes that separate the two new cells.
D)A contractile ring of microfilaments and motor proteins forms under the plasma membrane during anaphase.
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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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
- Describe the similarities and differences between the cytokinesis mechanisms found in animal cells versus those in plant cells.arrow_forwardWhich of the following is true with respect to cyclins and CDKs? A) CDKs promote progression of the cell cycle, cyclins function to inhibit progression of the cell cycle B) CDKs are the checkpoints in the cell cycle, and when bound to cyclins, they stop progression of the cell cycle C) CDKs will only work to promote progression of the cell cycle when complexed with their designated cyclins D) CDKs are rarely expressed during a cell's cycle, unless cyclins are present to act as transcription factors .arrow_forwardHow can we test the functional role of cytoplasm mutants in cytokinesis?arrow_forward
- Describe and compare cytokinesis in animal and plant cellsarrow_forwardDoes cytokinesis divide all cellular contents exactly equally in plant cells? This includes DNA, cytoplasm, organelles, etc.arrow_forwardA cell in G1 of interphase has 8 chromatins. How many chromosomes and how many DNA molecules will be found per cell as this cell progresses through the following stages: a) metaphase b) anaphase c) after cytokinesis in mitosis d) metaphase I e) anaphase I f) metaphase II g) anaphase II h) after cytokinesis of meiosis IIarrow_forward
- 28. When studying living cells in a laboratory, rescarchers sometimes use drugs as a way to make cells remain at a particular stage of the cell cycle A drug that inhibits cytokinesis would leave cells arrested at which phase in the cell cycle? A) Interphase B) Telophase C) Anaphase D) Prophase E) Metaphase 29. An epigenetics modification is where: A) The DNA sequence of a gene is changed, altering gene expression B) A chemical modification (ie methylation) of DNA occurs that alters gene expression C) Gene expression is permanently changed over the course of many generations D) Both A and C E) Both B and C 30. A very rare dominant allele that causes the little finger to be bent has a penetrance value of 80% This means that? A) 80% of the total population does not have a bent little figure B) 80% of all heterozygotes carrying the allele will have a bent little finger C) 80% of the total population carries the allede for bent little finger D) 80% of all homozygous individuals carrying the…arrow_forwardTelophase in Mitosis a ) Chromosomes begin to uncoil into chromatin. b) Nucleolus and nuclear membrane begin to reappear. c) Spindle slowly dissolves. d) In animal cells, cytokinesis occurs with a cleavage furrow dividing one cell into two cells. e) In plant cells, cytokinesis occurs with the formation of a cell plate. This plate divides the original cell into two cells and is part of the new cell wall.arrow_forwardWhen chromatids are separated during anaphase, how do we know that the microtubules that they are connected to are not actually shortening to "pull" the chromatids apart?arrow_forward
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