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Bio

Unit 05-Cell division

QuestionAnswer
What is term for when there is an uncontrolled growth of cells? cancer
In what mitotic phase do we see the chromatids lined up in the middle (at the equator)? metaphase
Before cell division what is the form of the chromosomes? chromatin
Why should cells be smaller? need to obtain nutrients and get rid of wastes
What does malignant tumor mean? It can travel and affect tissues around it and possibly other places
In animal cells during cytokinesis what gets formed that does not happen in plant cells? cleavage furrow
What happens in the S phase? The DNA is copied
Name 4 reasons why cells division is important: growth, development, repair, asexual reproduction
What hold the sister chromatids together? centromeres
In plant cells during cytokinesis, what gets formed that does not happen in animal cells? cell plate
What does benign tumor mean? It doesn’t travel and affect different tissues
In what part of the cell cycle does the cell spend most of its time? interphase
What are the 4 steps in Mitosis in correct order: prophase, metaphase, anaphase, telophase
What happens in the G2 phase? The cell prepares for mitosis
What is the goal of mitotic cell division? get two exact copies of original cell
How many daughter cells do we get from mitosis and cytokinesis 2 identical cells
In what mitotic phase do we see the nuclear membrane begin to reappear around the two sets of chromosomes? telophase
What is chromatin made of? DNA and protein
In what mitotic phase do we see the nuclear membrane begin to dissolve and see the sister chromatids clearly? prophase
In what mitotic phase do we see the chromatids moving toward the two poles? anaphase
How do cells know when to divide? 3 checkpoints
What happens in the G1 phase? the cell grows in size
What are the 3 main stages of the cell cycle? interphase, mitosis, cytokinesis
Should cells be larger or smaller? smaller
What are the 3 stages of interphase in correct order? G1, S, G2
When in S phase, what is the structure of the chromosomes? sister chromatids
Created by: thompsondk