10 Questions
What is the main purpose of the S phase of the cell cycle?
To duplicate the chromosomes in preparation for cell division
What is the diploid chromosome number in human somatic cells?
46
What is the process by which DNA replication occurs during the S phase?
The two DNA strands unwind and separate, and then new complementary strands are synthesized
What is the name given to the two identical copies of a chromosome that are produced during DNA replication?
Chromatids
What is the purpose of the proteins involved in DNA replication during the S phase?
To unwind and separate the DNA strands, and then synthesize new complementary strands
What is the name given to the set of chromosomes in a human somatic cell?
Diploid set
What is the purpose of the pairing of homologous chromosomes in human cells?
To provide genetic diversity by combining genetic material from both parents
What is the name of the process by which DNA strands are unwound and separated during replication?
Denaturation
What is the purpose of the complementary base pairing between the two DNA strands during replication?
To ensure that the new DNA strands are identical to the original strands
What is the role of the phosphate and sugar molecules in the DNA replication process?
They provide the energy and structural support for the DNA molecule
Test your knowledge on kinetochore, a protein complex that binds to each chromosome and plays a crucial role in cell division. This quiz covers topics such as attachment to the spindle fibers, breakdown of the nuclear membrane, alignment of chromosomes, and stages of cell division.
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