Which of the following statements describes a human chromosome in the nucleus? C
ID: 151841 • Letter: W
Question
Which of the following statements describes a human chromosome in the nucleus?
Chromosome's physical structure in a resting cell includes a single super coiled DNA molecule associated with proteins.
The nucleosome is the most basic functional subunit of the DNA in a chromosome.
The number of genes on each chromosome varies in different cell types, and depends on the function of that cell.
A chromosome in G1 consists of a single linear molecule of double-stranded DNA plus proteins.
Human's nuclear chromosome can be circular or linear.
A.Chromosome's physical structure in a resting cell includes a single super coiled DNA molecule associated with proteins.
B.The nucleosome is the most basic functional subunit of the DNA in a chromosome.
C.The number of genes on each chromosome varies in different cell types, and depends on the function of that cell.
D.A chromosome in G1 consists of a single linear molecule of double-stranded DNA plus proteins.
E.Human's nuclear chromosome can be circular or linear.
Explanation / Answer
The option C is correct.
The number of genes on each chromosome varies in different cell types, and depends on the function of that cell.
The basic repeating structural and functional unit of chromatin is the nucleosome. They are seen as "beads on strings" under the electron microscope and consist of DNA wrapped around the histones.
C.The number of genes on each chromosome varies in different cell types, and depends on the function of that cell.
The basic repeating structural and functional unit of chromatin is the nucleosome. They are seen as "beads on strings" under the electron microscope and consist of DNA wrapped around the histones.
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