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Multiple Choice
Which of the following factors is known to stimulate cell division?
A
Inhibitory proteins
B
Growth factors
C
Mitochondrial DNA
D
Cell membrane lipids
Verified step by step guidance
1
Understand the role of growth factors: Growth factors are proteins that play a crucial role in stimulating cell division. They bind to specific receptors on the cell surface, initiating a cascade of cellular events that lead to cell proliferation.
Identify the function of inhibitory proteins: Inhibitory proteins generally act to prevent or slow down cell division. They are involved in regulating the cell cycle and ensuring that cells do not divide uncontrollably.
Consider the role of mitochondrial DNA: Mitochondrial DNA is primarily involved in coding for proteins necessary for the function of mitochondria, the energy-producing organelles in cells. It does not directly stimulate cell division.
Evaluate the impact of cell membrane lipids: Cell membrane lipids are structural components of the cell membrane and do not directly influence cell division. They help maintain the integrity and fluidity of the cell membrane.
Conclude with the correct factor: Based on the understanding of each component, growth factors are the correct answer as they are directly involved in stimulating cell division.