Question

question 1-6
which statement describes the process of osmosis in a an animal cell?
○ water molecules move across the plasma membrane until solute concentrations are equal on both sides of the membrane.
○ enzymes move across the plasma membrane until the cell has completed metabolism.
○ ions move across the plasma membrane until the inside of the cell has a higher concentration of positive charges.
○ sugar molecules move across the plasma membrane until the cell has enough energy to grow in size and divide.
question 6 of 45
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clhs_bio_fallfinal_l 2526

Explanation:

Osmosis is the movement of water molecules across a semi - permeable membrane from an area of lower solute concentration to an area of higher solute concentration until the solute concentrations on both sides of the membrane are equal (or reach equilibrium). Enzymes are biological catalysts and do not move across the plasma membrane in the context of osmosis. Ions moving across the membrane is related to processes like active transport or ion channels, not osmosis. Sugar molecules moving across the membrane is related to processes like facilitated diffusion or active transport, not osmosis. So the statement that describes osmosis in an animal cell is that water molecules move across the plasma membrane until solute concentrations are equal on both sides of the membrane.

Answer:

Water molecules move across the plasma membrane until solute concentrations are equal on both sides of the membrane.