During Chemiosmosis

question 73

Multiple Choice

During chemiosmosis,

• A) energy is released as H⁺ ions move freely across mitochondrial membranes.
• B) ATP is synthesized when H⁺ ions move through a channel in ATP synthase.
• C) a concentration gradient is generated when large numbers of H⁺ ions are passively transported from the matrix of the mitochondrion to the mitochondrion's intermembrane space.
• D) H⁺ ions serve as the final electron acceptor.

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Definitions:

Orthostatic Hypotension

Decrease in blood pressure related to positional or postural changes from lying to sitting or standing positions.

Dependent Edema

Swelling caused by the accumulation of fluid in tissues, typically influenced by gravity and often seen in the lower legs and feet.

Lactated Ringer's Solution

is a fluid commonly used for intravenous hydration and electrolyte replenishment in medical settings, especially during surgery.