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Chapter 10: Problem 24

What is an SMC complex? Describe two examples.

Short Answer

Expert verified
An SMC complex, or Structural Maintenance of Chromosomes complex, is a protein complex crucial for chromosome organization and segregation. Two examples of SMC complexes are Cohesin, responsible for holding sister chromatids together during DNA replication, and Condensin, which manages chromosome spatial organization.

Step by step solution

01

Defining SMC Complex

SMC complex refers to Structural Maintenance of Chromosomes complex. It is a type of protein complex that is crucial in eukaryotes and prokaryotes for the organisation and segregation of chromosomes.
02

Example 1: Cohesin

Cohesin is an SMC protein complex which holds sister chromatids together. It is crucial during the cell cycle, particularly in the phase of DNA replication, where it ensures the equal division of genetic material between the two daughter cells.
03

Example 2: Condensin

Condensin is another SMC protein complex that takes part in the process of chromosome condensation during mitosis and meiosis in eukaryotic organisms. Its main function is to manage the spatial organization of the chromosome within the cell.

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