Match the Following. -Simple Diffusion

question 70

Multiple Choice

Match the following.
-simple diffusion

• A)describes the non-polar portion of a molecule that does not interact with water or other polar substances
• B)describes fatty acids that have mostly single but more than one double carbon-carbon bond
• C)describes the polar portion of a molecule that interacts readily with water or other polar substances
• D)a process of transport in which substances cross a membrane based on concentration differences without the expenditure of energy
• E)describes fatty acids that have mostly single but at least one double carbon-carbon bond
• F)describes fatty acids that do not have any carbon-carbon double bonds
• G)a process of transport in which integral proteins change shape to allow a substance to cross a cell membrane
• H)a process of transport that costs energy because the flow is against the concentration gradient

---

Definitions:

Body Fluids

Liquids that are found within the bodies of living organisms, including blood, saliva, and cerebrospinal fluid.

Buffer

A chemical substance that helps maintain a stable pH in a solution by neutralizing small amounts of added acid or base.

pH

A scale used to specify the acidity or basicity of an aqueous solution, with low values indicating acidity and high values, basicity.

Solutions

Homogeneous mixtures composed of two or more substances where one substance, the solute, is dissolved in another, the solvent.