Multiple Choice
If there are 40 centromeres in a cell at anaphase of mitosis, how many chromosomes will be found in each daughter cell following cytokinesis?
a) 10.
b) 20.
c) 40.
d) 80.
11. Cell Division
Phases of Mitosis
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Which of the following phases of mitosis is essentially the opposite of prometaphase in terms of the nuclear envelope?
A
Metaphase
B
S phase
C
Interphase
D
Anaphase
E
Telophase
Verified step by step guidance1
Understand that mitosis is a process of cell division that results in two daughter cells with identical genetic material. It consists of several phases: prophase, prometaphase, metaphase, anaphase, and telophase.
Recall that during prometaphase, the nuclear envelope breaks down, allowing the spindle fibers to interact with the chromosomes.
Identify that the opposite of the breakdown of the nuclear envelope would be its reformation.
Recognize that during telophase, the nuclear envelope re-forms around each set of chromosomes at the two poles of the cell, essentially reversing the events of prometaphase.
Conclude that telophase is the phase of mitosis that is essentially the opposite of prometaphase in terms of the nuclear envelope.
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