If the Cytoplasm of a Cell Is at PH 7

question 28

Multiple Choice

If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H⁺ ions ________.

• A) is 10 times higher in the cytoplasm than in the mitochondrial matrix
• B) is 10 times higher in the mitochondrial matrix than in the cytoplasm
• C) in the cytoplasm is 7/8 the concentration in the mitochondrial matrix
• D) in the cytoplasm is 8/7 the concentration in the mitochondrial matrix

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Definitions:

Obturator Foramen

A large opening in the hip bone through which nerves and blood vessels pass.

Fovea Capitis

The Fovea Capitis is a small, central pit on the head of the femur, where the ligament of the head of the femur attaches.

Ilium

The broad, upper part of the hip bone, one of three bones that fuse together to form the pelvis.

Acetabulum

The Acetabulum is the concave surface of the pelvis that receives the head of the femur, forming the hip joint.