BIOLOGY CONNECT ACCESS CARD
12th Edition
ISBN: 9781264037452
Author: Raven
Publisher: MCG
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Textbook Question
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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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 cells
Which of the following statements is a lie?
Select one:
a. The contractile ring further contracts until the membrane becomes completely cleaved into two.
b. Cytokinesis occurs differently in animal and plant cells.
c. Cytokinesis is more complex in animal cells than in plant cells.
Which of the following statements is true regarding cell cycle regulators?
a. Cyclins determine which proteins each Cdks will act on.
b. Cdks check the DNA for damage and repairs it.
c. Cyclin binding to Cdks will result to Cdk inactivation.
d. Cyclin levels remain constant through the cell cycle.
Chapter 10 Solutions
BIOLOGY CONNECT ACCESS CARD
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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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 about the cell cycle is TRUE? a. The protein APC blocks cells from entering anaphase b. CDKs are degraded after each cell cycle phase by the addition of a ubiquitin chain to the proteins c. A kinase is a protein that adds a ubiquitin chain to other proteins Cyclin activity is necessary, but not always sufficient, for CDK activation d. Cyclin proteins must be degraded before Cdk proteins can be activatedarrow_forwardDescribe the similarities and differences between the cytokinesis mechanisms found in animal cells vs those in plant cellsarrow_forwardWhat would be the most likely effect of a mutation that causes cyclin B to be unable to bind to CDK? a. Cells pass through the G2/M checkpoint and enter mitosis even when DNA has not been replicated. b. Cells never pass through the G1/S checkpoint. c. Cells pass through mitosis more quickly than nonmutated cells. d. Cells fail to pass through the G2/M checkpoint and do not enter mitosis.arrow_forward
- what is the protein component of the contractile ring that divides the cytoplasm of animal cells during cytokinesis a. tubulin b. actin c. microtubulin d. lamin e. chitinarrow_forwardWhat is the name of the phenomenon in which a white blood cell engulfs a pathogen? Which cytoskeletal structures are involved in this process? a. phagocytosis and microtubules. b.phagocytosis and microfilaments. c. pinocytosis and microtubules d. d. pincytosis and microfilamentsarrow_forwardChoose the letter of the best match from the following. A. Spindle Checkpoint B. Checkpoint to look for properly replicated Chromosomes C. Time of the most cell growth D. Primary checkpoint where external factors (i.e. nutrition, growth factors, size of cell) will influence if cell divides. E. Duplicate copy of the hereditary information is made. F. None of the Above select - 1. G. select - 2. S select - 3. G2/M select - 4. M select - 5. G1/S select 6. G2arrow_forward
- Which is true and which is false in the following statements: (regarding cytokinesis in animal cells) I Fusion of vesicles with the plasma membrane provides additional surface area required for daughter cells. II The contractile ring forms in the plane of the spindle pole body. III The centralspindlin complex recruits a RhoA-GEF to the cell cortex overlying the midbody. IV Local activation of formins contributes to assembly of the contractile ring.arrow_forwardThe final separation of two daughter cells at the end of cytokinesis in animals is known as ?arrow_forwardThis begins early in the telophase and continues after the nucleus has formed in the daughter cells. a. cytokinesis b. interphase c. apoptosis d. differentiationarrow_forward
- . Many viruses enter host cells through receptormediated endocytosis. What is an advantage of thisentry strategy?a. The virus directly enters the cytoplasm of the cell.b. The virus is protected from recognition by whiteblood cells.c. The virus only enters its target host cell type.d. The virus can directly inject its genome into thecell’s nucleus.arrow_forwardList the similarities and differences between the cytokines mechanisms found in animal cells versus those in plants cells.arrow_forwardIn normally dividing cells, once chromosomes have been properly segregated via the steps of mitosis, the two resulting “daughter cells” separate. In animal cells (and other cell types without a cell wall) the contractile ring plays a crucial role in the process of cytokinesis. Exactly how the contractile ring is accurately positioned, so as to be located midway between the two poles (ends) of the dividing cell, is still not fully understood, although factors released from the mitotic spindle are thought to play a role.Regardless of the precise positioning mechanism, one key player in the assembly of the contractile ring is the GTP/GDP binding protein Rho. In its active form, Rho can stimulate the activity of the actin-binding protein formin and (via effects on the myosin regulatory light chain) that of myosin II. Given their respective roles, why might activation of formin and myosin II be beneficial as cells assemble a functional contractile ring structure?arrow_forward
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