BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 10, Problem 6A
In animal cells, cytokinesis is accomplished by a contractile ring containing actin. The related process in bacteria is
a. chromosome segregation, which also appears to use an actinlike protein.
b. septation via a ring of FtsZ protein, which is an actinlike protein.
c. cytokinesis, which requires formation of a cell plate via vesicular fusion.
d. septation via a ring of FtsZ protein, which is a tubulin-like protein.
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The final separation of two daughter cells at the end of cytokinesis in animals is known as ?
Chapter 10 Solutions
BIOLOGY
Ch. 10.1 - Prob. 1LOCh. 10.2 - Prob. 1LOCh. 10.2 - Distinguish between homologues and sister...Ch. 10.2 - Prob. 3LOCh. 10.3 - Describe the eukaryotic cell cycle.Ch. 10.4 - Prob. 1LOCh. 10.4 - Prob. 2LOCh. 10.5 - Describe the phases of mitosis.Ch. 10.5 - Explain the importance of metaphase.Ch. 10.5 - Compare cytokinesis in plants and animals.
Ch. 10.6 - Prob. 1LOCh. 10.6 - Prob. 2LOCh. 10.7 - Prob. 1LOCh. 10.7 - Prob. 2LOCh. 10 - Binary fission in prokaryotes does not require the...Ch. 10 - Chromatin is composed of a. RNA and protein. b....Ch. 10 - What is a nucleosome? a. A region in the cells...Ch. 10 - What is the role of cohesin proteins in cell...Ch. 10 - The kinetochore is a structure that functions to...Ch. 10 - Separation of the sister chromatids occurs during...Ch. 10 - Why is cytokinesis an important part of cell...Ch. 10 - What steps in the cell cycle represent...Ch. 10 - Cyclin-dependent kinases (Cdks) are regulated by...Ch. 10 - Prob. 2ACh. 10 - Genetically, proto-oncogenes act in a dominant...Ch. 10 - The metaphase to anaphase transition involves a....Ch. 10 - The main difference between bacterial cell...Ch. 10 - In animal cells, cytokinesis is accomplished by a...Ch. 10 - Regulation of the cell cycle is very complex and...Ch. 10 - Review you knowledge of signaling pathways...Ch. 10 - Compare and contrast how mutations in cellular...
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- Cleavage furrow formed during cytokinesis is found in? A-both in animal and plants B- neither in animal nor in plant cells C- plant cells D- animal cellsarrow_forwardWhat may be expected to happen chromosomally and genetically to: a. an unfertilized egg that undergoes mitosis, but fails to undergo cytokinesis b. a cell which formed a tripolar spindle c. a chromosome that lost its centromere d. a chromosomes that contains two centromeres.arrow_forwardWhat is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.arrow_forward
- The metaphase to anaphase transition involves a. new force being generated to pull the chromatids apart. b. an increase in force on sister chromatids to pull them apart. c. completing DNA replication of centromeres allowing chromosomes to be pulled apart. d. loss of cohesion between sister chromatids.arrow_forwardAt which phase are centrioles beginning to move apart in animal cells? A) Telophase B) Anaphase C) Prometaphase D) Metaphase E) Prophasearrow_forwardDescribe the similarities and differences between the cytokinesis mechanisms found in animal cells versus those in plant cells.arrow_forward
- Describe the similarities and differences between the cytokinesis mechanisms found in animal cells vs those in plant cellsarrow_forwardWhat is true about the membrane of the egg? Select one or more: a. It is semi-permeable which means that proteins, sugars and water can diffuse across the membrane b. It is impermeable which means that proteins, sugars but not water can diffuse across the membrane c. It is permeable, which means that proteins, sugars and water can diffuse across the membrane d. It is semi-permeable which means that water but not proteins or sugars can diffuse across the membranearrow_forwardStargardt's disease was one of these that can be treated using embryonic stem cells. Why would scientist chose to use this type of stem cell in treatment of Stargard's? A. There ae not ethical issue concerning their use B. They retain stem cell properties even after specialization C. They are able to differentiate into the required cell type D. They are already specialized for this funtionarrow_forward
- 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 questionarrow_forwardWhich 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.arrow_forwardBicoid is normally found at one end of a fly egg. A defective form of bicoid results in an embryo with two tail ends. If the normal form of bicoid was placed at both ends of an egg what would be the result? Group of answer choices A. a normal larva B. a fly with body parts in the wrong regions C. an embryo with two tail ends D. an egg with no cell division E. an embryo with two head endsarrow_forward
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