Question 26 (1.5 points) A single molecule of DNA and its associated proteins is called a(n) O gene O chromosome O nucleotide O centromere Question 27 (1.5 points) After replication finishes, the two identical sister chromatids of the repli chromosome remain attached at a central point called the _.
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- A gene is a segment of DNA that codes for a specific trait. - A chromosome is a structure made of DNA tightly coiled many times around proteins called histones. - A nucleotide is the basic building block of DNA and RNA. - A centromere is the constricted region Show more…
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The point of attachment for two sister chromatids is the a. centriole. b. chromosome. c. centromere. d. karyotype. e. chromatin.
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4. Which of the following statements is true? A. After DNA replication, each duplicated chromosome consists of two sister chromatids. B. The region on duplicated chromosomes where the sister chromatids are most closely attached to each other is known as the centromere. C. Eukaryotic chromatin is composed of DNA and proteins. D. The microtubule-organizing center found in animal cells is the centrosome.
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The point of attachment for two sister chromatids is the a. centriole. c. chromosome. b. centromere. d. karyotype.
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