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Multiple Choice
In the human genome, oncogenes __________.
A
slow cell division
B
suppress tumors
C
promote cell adhesion
D
enhance DNA repair
E
stimulate cell division
Verified step by step guidance
1
Understand the role of oncogenes in the human genome. Oncogenes are genes that have the potential to cause cancer. In their normal state, they are involved in the regulation of cell growth and division.
Recognize that when oncogenes are mutated or expressed at high levels, they can lead to uncontrolled cell division, which is a hallmark of cancer.
Consider the options provided: slowing cell division, suppressing tumors, promoting cell adhesion, and enhancing DNA repair. These functions are typically associated with tumor suppressor genes or other cellular mechanisms that prevent cancer.
Identify that the primary function of oncogenes, when activated, is to stimulate cell division. This is contrary to the functions of slowing cell division or suppressing tumors.
Conclude that the correct answer is that oncogenes stimulate cell division, as this aligns with their role in promoting cell proliferation when they are mutated or overexpressed.