Consider a U-Tube That Initially Contains Pure Water on One

question 7

Multiple Choice

Consider a U-tube that initially contains pure water on one side of a selectively permeable membrane and water plus solute on the other side.Which of the following best describes what will happen next?

• A) Solute molecules diffuse across the membrane faster than water molecules.
• B) The fluid level rises on the side containing the pure water.
• C) The diffusion of water molecules causes an osmotic pressure to build up in the tube.
• D) Solute molecules are transported across the membrane by facilitated diffusion.
• E) Some water molecules become "bound up" with solute molecules and do not diffuse freely.

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Definitions:

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA).

Nucleus

In cells, a membrane-bound organelle that contains the cell's chromosomes and acts as the control center for gene expression and DNA replication.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all living organisms and many viruses.

Eugenics

Eugenics is a controversial historical movement and set of beliefs aimed at improving the genetic quality of the human population through selective breeding and other methods.