1) which of the following is a way that a tumor-supressor gene can lose its func

ID: 68335 • Letter: 1

Question

1) which of the following is a way that a tumor-supressor gene can lose its function?

a) gene mutation

b) aberrant DNA methylation

c) aneuploidy leading to loss of the tumor-suppressor gene

d) all of these choices are correct

2) which of the following is not a role of growth factors in the cell cycle?

a) they act as repair proteins which fix DNA damage in the cell

b) growth factors bind to a receptor and initiate a signal cascade within a cell

c) their binding changes gene transcription

d) they allow the cell to progress through the cell cycle

3) When GTP is bound to Ras, it is in the ____ form

a) active

b) inactive

1. a) gene mutation

2. a) they act as repair proteins which fix DNA damage in the cell

3. b) inactive

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