Even in the Absence of Sperm, Metabolic Activity in an Egg

question 82

Multiple Choice

Even in the absence of sperm, metabolic activity in an egg can be artificially activated by

• A) abnormally high levels of carbonic acid in the cytosol.
• B) abnormally low levels of extracellular oxygen.
• C) injection of calcium ions into the cytosol.
• D) exposure to the low pH of the uterus.
• E) depletion of its ATP supplies.

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Definitions:

Popliteal Artery

The major artery supplying blood to the knee, thigh, and lower leg, located behind the knee.

Ulnar Artery

The ulnar artery is a major blood vessel of the forearm that runs from the brachial artery to the hand, supplying blood to the muscles of the forearm and the hand.

Baroreceptor Mechanism

A reflex mechanism using sensory receptors in the blood vessels to detect changes in blood pressure and stimulate responses to maintain homeostasis.

Chemoreceptor Mechanism

A physiological process involving receptors that detect changes in the chemical concentration of substances (such as oxygen or carbon dioxide) in the body and signal these changes to the nervous system.