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chapter two
cells , sexual and asexual reproduction.
7
Science
9th Grade
11/06/2010

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Term
how many stages are there in mitosis ? 
Definition
there are 6 stages.
Term
what are the stages of mitosis
Definition
1) interphase 2) phropase 3) metaphase 4) anaphase 5) telophase 6) daughter cells 
Term
what is cytokinesis?
Definition
it is the second process in cell division. it begins during telophase. cytokinesis divdes the cytoplasm into two daughter cells .
Term
what kind of tumor is a harmless tumor? 
Definition
it is the benign tumor.
Term
what is a benign tumor?
Definition
a benign tumor are masses of cells that grow but stay in one spot and does not interfere with the normal functioning of the surrounding tissues or organs, thus making it harmless.
Term
what is a malignant tumor?
Definition
a malignant tumor invade the surrounding tissues ands interfere with the normal functions of the tissues and organs. thus making it dangerous.
Term
what is carcinogen?
Definition
it is any substance that can cause cancer
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