객관식
Which form of cell division takes place in human somatic cells?
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11. Cell Division
Introduction to Cell Division
객관식
In the context of cell division, what is a chromatid?
A
The structure that organizes microtubules during cell division.
B
A protein complex that holds sister chromatids together.
C
A single, long DNA molecule and its associated proteins, forming a part of a chromosome.
D
The region of a chromosome where the two sister chromatids are joined.
검증된 단계별 안내1
Understand that a chromatid is one half of a duplicated chromosome, which is visible during cell division.
Recognize that each chromatid consists of a single, long DNA molecule wrapped around proteins called histones, forming a structure known as chromatin.
During cell division, specifically in the phases of mitosis and meiosis, chromatids are crucial for the accurate segregation of genetic material.
Sister chromatids are identical copies of a chromosome, connected by a protein complex called cohesin, until they are separated into daughter cells.
The centromere is the region where sister chromatids are joined, playing a key role in the movement and separation of chromatids during cell division.
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