Chapter 9
Cytokinesis often, but not always, accompanies _____.
telophase
Which of the following is true of kinetochores?
They are sites at which microtubules attach to chromosomes.
Why is it difficult to observe individual chromosomes with a light microscope during interphase?
They have uncoiled to form long, thin strands.
Through a microscope, you can see a cell plate beginning to develop across the middle of a cell and nuclei forming on either side of the cell plate. This cell is most likely
a plant cell in the process of cytokinesis.
Centromeres divide and sister chromatids become full-fledged chromosomes during _____.
anaphase
During _____ the cell grows and replicates both its organelles and its chromosomes.
interphase
Nucleoli are present during _____.
interphase
Spindle fibers attach to kinetochores during _____.
prometaphase
Chromosomes become visible during _____.
prophase
Which of the following does not occur during mitosis? - separation of the spindle poles - condensation of the chromosomes - separation of sister chromatids - replication of the DNA - spindle formation
replication of the DNA
During _____ both the contents of the nucleus and the cytoplasm are divided.
the mitotic phase