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List two alternative futures for cells when they reach their size limitation. - ANSWER-they will divide
(mitosis) or they will stop growing
stage in which the cell divides into two daughter cells with identical nuclei - ANSWER-cytokinesis
substage of interphase immediately after a cell divides - ANSWER-G1
substage of interphase in which the cell copies it's DNA in preparation for cell division - ANSWER-S phase
stage in which the cells nuclear material divides and separates - ANSWER-mitosis
main stage in which the cell grows, carries out normal functions, and duplicates DNA - ANSWER-
interphase
substage in which the cell prepares for nuclear division and a protein that makes microtubules for cell
division is synthesized - ANSWER-G2
The stage in which the nuclear membrane disintegrates - ANSWER-prophase
microtubules move chromatids to the poles of the cell during what - ANSWER-anaphase
The cells _____condenses into _____ during prophase. - ANSWER-chromatin, chromosomes
Chromosomes attach to _____ and line up along the equator of the cell during metaphase. - ANSWER-
spindle fibers
Centrioles migrate to the poles of the cell during this phase - ANSWER-telophase
, Chromatids are pulled apart during this phase - ANSWER-anaphase
The chromosomes condense or unwind during this phase - ANSWER-telophase
How many pairs of chromosomes do humans have? - ANSWER-23
How many chromosomes do humans have? - ANSWER-46
What process maintains a constant number of chromosomes within a species? - ANSWER-meiosis
What phase is it when homologous chromosomes line up at the equator in pairs? - ANSWER-metaphase
I
What phase is it when the cell replicates its chromosomes? - ANSWER-interphase
What phase is it when homologous chromosomes separate and move to opposite ends of the cell? -
ANSWER-Anaphase I
What phase is it when the spindle forms and DNA could up and homologous chromosomes come
together in a tetrad and when crossing may occur? - ANSWER-prophase I
What phase is it when each cell has only half the genetic information, however another cell division is
needed because each chromosome is still doubled - ANSWER-telophase I
List the phases of mitosis and meiosis in order. - ANSWER-interphase
prophase I
metaphase I
anaphase I
telophase I