Scelta multipla
In eukaryotic cells, which statement best describes the relationship among DNA, genes, and chromosomes?
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7. DNA and Chromosome Structure
Eukaryotic Chromosome Structure
Scelta multipla
In eukaryotic cells, what is the term for DNA in its uncoiled, “stringy” form (as typically found during interphase)?
A
Chromatin
B
Spindle fiber
C
Centromere
D
Sister chromatids
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Understand that DNA in eukaryotic cells exists in different structural forms depending on the cell cycle stage.
Recall that during interphase, DNA is not tightly coiled into chromosomes but is instead in a relaxed, uncoiled state to allow gene expression and DNA replication.
Identify the term used to describe this uncoiled, 'stringy' form of DNA, which is essential for accessibility to cellular machinery.
Recognize that 'chromatin' is the correct term for DNA in this relaxed form during interphase.
Differentiate chromatin from other terms: spindle fibers are involved in chromosome movement during mitosis, centromeres are chromosome regions, and sister chromatids are duplicated chromosome copies.
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