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dimulka [17.4K]
4 years ago
10

The ras proto-oncogene can become an oncogene by a single point mutation that alters its protein product to have _______ activit

y.
A. more GTPase
B. less nucleotide exchange
C. greater nucleotide exchange
D. constitutive Raf-activation
Biology
1 answer:
34kurt4 years ago
7 0

Answer:

The correct answer is D.

Explanation:

The Ras Proto-Oncogene is a gene found in normal cells, which by the single point mutation mentioned in the question, can turn into Oncogene. Because Proto-Oncogene is a gene that controls and regulates the division of the cell, a mutation in this gene leads to uncontrolled cell divisions which then leads to cancer. The correct answer is D since RAF-Activation describes "Rapidly Accelerated Fibrosarcoma, fibrosarcoma being a cancer which affects fibrobalst cells.

I hope this answer helps.

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