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bio cell cycle

unit 4 biology cell cycle notes

QuestionAnswer
The DNA is replicated during the ___ phase of interphase in preparation for mitosis S
The relative amount of DNA in a cell is ___ during G2, Prophase, Metaphase, and Anaphase, and is ___ during the G1 phase. higher, lower
During telophase, the amount of cellular DNA is ___ halved
During the DNA ___ stage, the amount of DNA is increased by 100% Synthesis
During prophase and metaphase, human body cells have ___ chromosomes each 46
For a brief time, during the ___ stage, the 46 ___ (copied) chromosomes because separated at their kinetochores, producing a grand total of ___ chromosomes that are now ___ anaphase, duplicated, 92, single
The total chromosomes number becomes halved again at the end of telophase, during ___, when the membrane is finally pinched to separate the newly created daughter cells cytokinesis
Although mitosis is crucial to survival, active cells spend the vast majority of their time in ___, which consists of G0, G1, S, and G2 interphase
An average human cell takes about ___ hours to complete the cell cycle. 24
The spindle microtubules attach at the kinetochores of the chromosomes during ___ prometaphase
Microtubules actually grow from two structures called ___ at the opposite ends of the cell centrosomes
Nuclear ___ appear around the chromosomes during telophase membranes
Created by: josie_dr
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