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Chapter 10: Q. 9 (page 276)

The mitotic spindles arise from which cell structure?

a. centromere

b. centrosome

c. kinetochore

d. cleavage furrow

Short Answer

Expert verified

The correct option is B.

Step by step solution

01

Step. 1 Introduction 

The mitotic spindle fiber seems to be a structure that arises following cell division and thus is responsible for separating identical chromosomes.

02

Step. 2 Explanation for correct option. 

Mitotic spindles are structures created throughout the cell cycle that divide copy chromosomes in the cells. They are produced by the centrosome.

03

Step. 3 Explanation for incorrect option. 

Option a. Centromeres are genomic sites that regulate kinetochore formation and spindle interaction throughout cell division.

Option c. A kinetochore seems to be a protein area present upon every chromatid's centromere.

Option d. The cleavage furrow seems to be the depression on the surface of the cell that initiates the cleavage process.

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Most popular questions from this chapter

Eukaryotic chromosomes are thousands of times longer than a typical cell. Explain how chromosomes can fit inside a eukaryotic nucleus.

Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis?

a. prometaphase

b. metaphase

c. anaphase

d. telophase

Describe the similarities and differences between the cytokinesis mechanisms found in animal cells versus those in plant cells.

Name the common components of eukaryotic cell division and binary fission.

___________ are changes to the order of nucleotides in a segment of DNA that codes for a protein.

a. Proto-oncogenes

b. Tumor suppressor genes

c. Gene mutations

d. Negative regulators
See all solutions

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