Identify which mechanism is involved in the passage of the following molecules o

Question

Identify which mechanism is involved in the passage of the following molecules or ions across a cell membrane: O_2 testosterone (a steroid) Mg^2+ (no energy required) Cl^- (energy required) Define the terms isotonic, hypotonic and hypertonic solutions in relationship to a cell? isotonic_hypotonic_hypertonic_What is the term for a molecule that has both polar and non-polar regions? Explain how soap molecules make remove dirt and grime from objects. What is the name of the structures that are formed?

Explanation / Answer

17)

Isotonic: Isotonic solution is one with the concentration which is same as the concentration of solute in cell.

Hypotonic: It is solution which has lower concentration of solutes out side the cell than inside the cell.

Hypertonic: It is solution which has greater concentration of solutes out side the cell than inside the cell.

18) The term for the molecule that has both polar and non-polar regions is AMPHIPHILE.

Some time that molecule also called as AMPHIPHATHIC.

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