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Hydrophobic
Insoluble in water, a nonpolar oil-like molecule that repels water.
Hydrophobic refers to a nonpolar oil-like molecule that repels water, making it insoluble in water . This characteristic is relevant in various biological processes, including cellular respiration, where hydrophobic molecules play a crucial role in energy production.
In cellular respiration, oxidation of fuel in the mitochondrion is coupled to the phosphorylation of ADP, forming ATP, a process known as coupling . However, certain chemicals, such as uncouplers like DNP, can disrupt this process, allowing oxidation to proceed without producing the usual amount of ATP, a phenomenon known as uncoupling . This process is relevant in understanding fatigue and aging, as the cellular processes involved in fatigue overlap with those of aging .
The concept of hydrophobicity is also relevant in the context of androgenic compounds, such as androsterone, which can be dissolved in hydrophobic vaseline and ethanol for topical application . However, the safety of combining such compounds with other substances, such as DMSO and ethanol, is not explicitly addressed in the provided sources.
People also ask
- What is the characteristic of a hydrophobic molecule?A hydrophobic molecule is nonpolar and oil-like, repelling water and being insoluble in it.
- How do hydrophobic molecules contribute to energy production in cells?Hydrophobic molecules play a crucial role in cellular respiration, where they are involved in the oxidation of fuel in the mitochondrion.
- Can hydrophobic compounds be safely combined with other substances like DMSO and ethanol?The safety of combining hydrophobic compounds with other substances like DMSO and ethanol is not explicitly addressed in the provided sources.