Figure 16-36 Shows How Normal Signaling Works with a Ras

question 47

Multiple Choice

Figure 16-36 shows how normal signaling works with a Ras protein acting downstream of an RTK.You examine a cell line with a constitutively active Ras protein that is always signaling.Which of the following conditions will turn off signaling in this cell line? Figure 16-36

• A)addition of a drug that prevents protein X from activating Ras
• B)addition of a drug that increases the affinity of protein Y and Ras
• C)addition of a drug that blocks protein Y from interacting with its target
• D)addition of a drug that increases the activity of protein Y

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