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Mitosis Quiz 1

QuestionAnswer
Cell division occurs in... Prokaryotes and Eukaryotes
Division of the cytoplasm cytokinesis
Structure made of fibers that help to move chromosomes during mitosis spindle
A chromosome consists of two identical chromatids
Disease caused by uncontrolled cell growth cancer
Cells are limited in size by their surface areas and volume
Paired structure that helps organize the spindle Centrioles
Cells exchange materials across the cell membrane
The phase where chromatids separate Anaphase
The phase where chromosomes first become visible Prophase
Series of events a cell goes through as it grows and divides; the cell cycle
The phase in which DNA copies itself interphase
Holds sister chromatids together Centromere
When a cell divides, it forms two ________ cells. Daughter
Cells that can become any other type; _______ cells Stem
Division of the cell nucleus mitosis
The phase where cytokinesis begins Telophase
The phase where chromosomes line up along the equator Metaphase
What is the longest phase? Prophase
What are centrioles? 1 of 2 tiny structures located in the cytoplasm of animal cells near the nucleur envelope.
What is organized in the centrosome area? mitotic spindles
Do plant cells have centrioles? no
What are spindles made of? protein fibers
METAPHASE: Where do chromosomes line up? across the center of the cell
ANAPHASE: What splits apart during this phase? centromeres (sister chromatids)
ANAPHASE: What are they called when they split apart? Chromosomes
TELOPHASE: What becomes visible again during this phase? a nucleolus
During this stage of Interphase cells increase in their size and synthesize new proteins and organelles. G1
What stage of Interphase does the chromosomes are replicated and the synthesis of DNA molecules take place? S
What stage of Interphase do many of the molecules and organelles required for cell division are produced? G2
During this phase the cell grows and replicates its DNA and centrioles? Interphase
During this phase the chromatin condenses into chromosomes. The centrioles seperate, and a spindle begins to form. The nuclear envelope break down. Prophase
During this phase the chromosomes line up across the center of the cell. Each chromosome is connected to a spindle fiber at its centromere. Metaphase
During this phase the sister chromatids separate into individual chromosomes and are moved apart. Anaphase
During this phase the chromosomes gather at opposite ends of the cell and lose their distinct shapes. Two new nuclear envelopes will form. Telophase
During this phase the cytoplasm pinches in hald. Each daughter cell has an identical set of duplicate chromosomes. (last phase) Cytokinesis
What are chromatids? one of two identical "sister" parts of a duplicated chromosome
What are the four phases of Mitosis? Metaphase, Anaphase, Telophase, and Prophase.
Created by: pirategirl