Why does the cell surface membrane not provide a barrier to the entry of hydrophobic molecules into the cell?

Why does miranda have that particular vision of dr hildesheim answer?

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

What does the positioning of transcription factors determine?