What Process Is Described Here? a Concentration Gradient of H⁺

question 17

Multiple Choice

What process is described here? A concentration gradient of H⁺ ions is created in the periplasmic space by actively transporting the ions across the membrane using the energy liberated when carrier molecules are oxidized.When the H⁺ ions pass through ATPase, enough energy is generated to add phosphate groups onto ADP molecules.

• A)Fermentation
• B)The Calvin cycle
• C)Substrate-level phosphorylation
• D)Oxidative phosphorylation
• E)Deamination

---

Definitions:

Accommodation

In psychology, the process of adjusting existing cognitive structures in response to new experiences; in vision, the process by which the eye's lens changes shape to focus near or far objects on the retina.

Fovea

The central focal point in the retina, around which the eye’s cones cluster.

Iris

The colored part of the eye surrounding the pupil that controls the amount of light entering the eye by adjusting the size of the pupil.

Salvation Army

A Christian denominational church and an international charitable organization known for its thrift stores and charity work.