this trimester i learned the difference between benign tumors and malignant tumors. a benign tumor is an abnormal mass of essentialy normal cells. this can easily be removed by surgery. benign tumors are not anywhere as severe as a malignant tumor is. a malignant tumor is a mass of cells as a result of cancer cells. this is a very serious thing and cannot be removed by surgery. there are two types of treatment, chemotherapy, where a patient is given antibiotics that disrupt cell divison. another type of treatment is radiation therapy, this is where the cancer area is directly exposed to high radiation disrupting cell division. cancer is a disease caused by disruption of mechanisms usually in charge of the cell cycle.
what i found difficult is differentiating between the different types of bonds polar, hydrogen, ionic, covalent and the other ones.
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