What is the distinction in between a malignant and also benign tumor?a. A malignant tumor grows into a large damaging mass, whereas a benign tumor continues to be exceptionally tiny.b. A benign tumor can be treated, while a malignant tumor cannot be treated.c. A benign tumor grows from a single cell, whereas a malignant tumor arises from multiple cells, making it more difficult to eradicate.d. A malignant tumor prolifeprices in defiance of normal constraints, while a benign tumor does not. e. A malignant tumor invades and also colonizes various other tworries, while a benign tumor does not.
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What is metastasis?a. the capability of tumor cells to divide uncontrollablyb. the capability of cells to keep their physiological state despite changing extracellular conditionsc. the instability of chromosomes that occurs when cells come to be cancerous d. capability of cancer cells to travel from the site of an initial tumor, through the blood or lymph to another place, and also form an additional tumor
ability of cancer cells to travel from the website of an initial tumor, with the blood or lymph to an additional area, and develop a secondary tumor
A normal cell is converted into a cancer cell by:a. an build-up of mutations affecting a number of various genes.b. shedding its adhesion to its surrounding cells.c. exposure to mitogens released by various other cells. d. entering right into a devoted cell cycle phase dubbed Go.
Which of the complying with ca boost the likelihood that a perboy will certainly acquire cancer? (pick all the correct answers)a. living in, and adopting the lifelayouts of certain countriesb. smoking tobaccoc. errors in DNA replication, which take place in all people over their lifetimed. being obese e. infection by certain virsupplies, such as human papilloma virus
Which cancer-causing gene have the right to be activated by a solitary mutation in only one copy?a. Proto-oncogeneb. DNA repair gene c. Tumor suppressor gene
Which class of cancer-important gene have to be incaused to promote the development of cancer?a. Oncogeneb. Proto-oncogene c. Tumor suppressor gene
Which of the following properties would certainly you mean a cancerous cell to have?a. lessened adhesion to neighboring cellsb. sreduced price of cell divisionc. respond more strongly to signals from other cells for growth and also cell divisiond. brief telomeres e. increased likelihood of undergoing apoptosis if its DNA is damaged
The gene that encodes p53 isa. a proto-oncogeneb. a tumor suppressorc. none of the above d. an oncogene
The apoptosis promoter Bax typically uncovered in huguy cells can be thought about which of the following?a. carcinogenb. oncogenec. mitogfinish. tumor suppressor e. proto-oncogene
A particular mutation in the receptor for epidermal expansion aspect (EGF) reasons the mutated receptor protein to send a positive signal alengthy linked intracellular signaling pathmethod even when EGF is not bound to it. This leads to abnormal cell proliferation in the absence of expansion element. On the basis of this indevelopment, exactly how would you course the normal create of the gene for the EGF receptor? a. an oncogene b. a proto-oncogene c. a tumor suppressor d. namong the above
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