Multiple Choice
In which phase of the cell cycle are chromosomes replicated?
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11. Cell Division
Introduction to the Cell Cycle
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Which of the following processes occur in the nucleus of a eukaryotic cell?
A
DNA replication
B
Glycolysis
C
Photosynthesis
D
Protein synthesis
Verified step by step guidance1
Identify the location where each process occurs in a eukaryotic cell. DNA replication occurs in the nucleus, while glycolysis occurs in the cytoplasm, photosynthesis occurs in the chloroplasts, and protein synthesis primarily occurs in the cytoplasm (ribosomes).
Understand the role of the nucleus in a eukaryotic cell. The nucleus is the control center of the cell, housing the cell's DNA and being the site of DNA replication and transcription.
Recognize that DNA replication is the process of copying the cell's DNA before cell division, ensuring that each new cell receives an exact copy of the DNA.
Differentiate between processes that occur in the nucleus and those that occur elsewhere. Glycolysis is a metabolic pathway that breaks down glucose to produce energy and occurs in the cytoplasm, not the nucleus.
Conclude that DNA replication is the only process among the given options that occurs in the nucleus of a eukaryotic cell.
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