U.S.GNP

question 41

Multiple Choice

U.S.GNP

• A)includes production of foreigners working in the U.S.and production of U.S.citizens working in foreign countries.
• B)includes production of foreigners working in the U.S.but excludes production of U.S.citizens working in foreign countries.
• C)excludes production of foreigners working in the U.S.but includes production by U.S.citizens working in foreign countries.
• D)excludes production of foreigners working in the U.S.and production by U.S.citizens working in foreign countries.

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Definitions:

Net Movement

The overall transfer or migration of substances, such as molecules or ions, from an area of higher concentration to an area of lower concentration, often referring to processes like diffusion.

Sodium-potassium Pumps

Cellular membrane proteins that actively transport sodium out of and potassium into cells, essential for maintaining cell volume and resting membrane potential.

Ion Pumps

Proteins found in the cell membrane that use energy to transfer ions against their concentration gradient, maintaining the internal balance of cells.

Antiporters

Antiporters are proteins that transport two or more ions or molecules in opposite directions across a cell membrane, crucial for maintaining cellular ion balance.