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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
What is a primary function of tumor suppressor genes?
a. stop all cells from dividing
b. stop certain cells from dividing
c. help oncogenes produce oncoproteins
d. allow the cell to skip certain phases of the cell
cycle
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- Give typing answer with explanation and conclusionarrow_forwardDescribe how the tumor-suppressor genes Rb, p53 and p21 regulate the cell cycle.arrow_forwardThe diagram shows the relative activity of a proto-oncogene and a tumor supressor gene in a normal cell, as well as the activity in four other cells. Normal cell A в D tumor suppressor gene proto-oncogene Which of these cells would be expected to be cancer cells? cell B cell D cell C cell Aarrow_forward
- A tumor suppressor gene ___regulates the cell cycle; an example is _____. Select one: a. negatively, cyclin b. positively, retinoblastoma c. positively, p21 d. negatively, retinoblastoma e. positively, RASarrow_forwardJurkat cells are an immortalized line of human T-lymphocytes cells that are used to study acute T cell leukemia. K562 cells were the first human immortalized myelogenous leukemia cell line to be established. Resting= control, Etoposide= drug. Below is shown the results of floweytometry of untreated and treated cells.arrow_forwardWhich of the following are mechanisms by which cancer drugs work (select all that apply)? A. Inhibit activity of oncogene B. Promote apoptosis C. Promote terminal differentiation of cells D. Inhibit drug transporters E. Promote DNA damage.arrow_forward
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