Campbell Biology: Concepts.. (Custom Package)
8th Edition
ISBN: 9781323042649
Author: Central Texas
Publisher: PEARSON
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Chapter 8, Problem 10TYK
Cytochalasin B is a chemical that disrupts microfilament formation. This chemical would interfere with
a.
b. formation of the mitotic spindle.
c. cleavage.
d. formation of the cell plate.
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Students have asked these similar questions
Which of the following is not true regarding cytokinesis?*
A.Simultaneously happen with the telophase.
B.It is the division of cytoplasm.
C.The same with the interkinesis.
D.Leads to the formation of cleavage furrow.
The mitotic spindle plays a critical role in which of the following processes?
a) dissolving the nuclear membrane
b) triggering the compaction and condensation of chromosomes
c) splitting of the cell (cytokinesis) following mitosis
d) separation of sister chromatids
What is the role of cohesin proteins in cell division?
a. They organize the DNA of the chromosomes into highly condensed structures.
b. They hold the DNA of the sister chromatids together.
c. They help the cell divide into two daughter cells.
d. They connect microtubules and chromosomes.
Chapter 8 Solutions
Campbell Biology: Concepts.. (Custom Package)
Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a grasshopper contains 24...Ch. 8 - Which of the following is not a function of...Ch. 8 - It is difficult to observe individual chromosomes...Ch. 8 - A fruit fly somatic cell contains 8 chromosomes....Ch. 8 - If a fragment of a chromosome breaks off and then...Ch. 8 - Which of the following phases of mitosis is...Ch. 8 - A biochemist measured the amount of DNA in cells...Ch. 8 - A micrograph of a dividing cell from a mouse...Ch. 8 - Cytochalasin B is a chemical that disrupts...
Ch. 8 - Why are individuals with an extra chromosome 21,...Ch. 8 - In the light micrograph below of dividing cells...Ch. 8 - An organism called a plasmodial slime mold is one...Ch. 8 - Prob. 14TYKCh. 8 - Discuss the factors that control the division of...Ch. 8 - Compare cytokinesis in plant and animal cells. In...Ch. 8 - Sketch a cell with three pairs of chromosomes...Ch. 8 - Suppose you read in the newspaper that a genetic...Ch. 8 - Bacteria are able to divide on a faster schedule...Ch. 8 - Prob. 20TYKCh. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - Prob. 22TYK
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- Which of the following is an example of cells undergoing mitosis and cytokinesis? A) dead skin cells being replaced B) a wound healing over a scar C) a tree producing new branches D) A new embryo growing E) All of the abovearrow_forwardIn the mitosis experiment, in what stage were most of the onion root tip cells in? Based on what you know about cell cycle division, what does this imply about the life span of a cell? Were there any stages of the cell cycle that you did not observe? How can you explain this using evidence from the cell cycle?arrow_forwardwhich of the following describes how RNA and DNA are used in mitosis? a. leads to the synthesis of proteins that assist in cell replication b. produce energy for cell division c. moves vesicles to the middle of the cell to form the cell plate d. forms spindle fibers that attach to chromosomesarrow_forward
- What happens to microtubules in the presence of very high levels of GTP? A. They will undergo treadmilling B. They will grow rapidly C. They become unstable and may undergo catastrophy D. They will shrinkarrow_forwardWhich are true of centrioles A- They help arrange the contents of animal cells B- they have a part in cell division C- they are not found in higher plant cellsarrow_forwardProphase is the stage of mitosis characterized by the a. physical seperation of sister chromatids b. appearance of visible chromosomes c. occurrence of cytokinesis d. alignment of chromosomes at center of cellarrow_forward
- Why is there a need to produce diploid type of cell at the of cell division? a.)So that the cells produced are exact copy of the parent cell b.)So that abnormalities of the cell will be avoided c.)So that the purpose of growth happens in the organism d.)So that the copy of DNA is retainedarrow_forwardCytokinesis involves ... A.)division of the cytoplasm B.)a cleavage furrow (animals) or cell plate formation (plants) C.)the completion of the cell cycle D.)all of the abovearrow_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
- Mitosis results in each cell: A. receiving exact copies of all chromosomes of original cell B. donating repaired chromosomes to the original cell C. receiving exactly half of the chromosomes of original cell D. doubling the number of chromosomesarrow_forwardDuring cytokinesis, a contractile ring of actin microfilament forms the ______________ and pinches the cell apart. A. Kinetochores B. Cleavage furrow C. Equator D. Astersarrow_forwardYou remove cyclin from a cell during G2 a single time and then leave the cell alone. What is the consequence? Group of answer choices A. the cells exits mitosis into G1 B. the cell can never enter mitosis C. the cell immediately enters mitosis D. the cell's entry into mitosis is delayedarrow_forward
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