Which Statement About Phloem Transport Is Not True

question 4

Multiple Choice

Which statement about phloem transport is not true?

• A) It takes place in sieve tubes.
• B) It depends on mechanisms for loading solutes into the phloem at sources.
• C) It stops if the phloem is killed by heat.
• D) A high pressure potential is maintained in the sieve tubes.
• E) At sinks, solutes are actively transported into sieve tube elements.

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Definitions:

Vertebral Artery

A major artery that supplies blood to the posterior part of the brain, passing through the transverse foramina of the cervical vertebrae.

Great Saphenous Vein

The longest vein in the body, running along the length of the lower leg and thigh, and often used in coronary artery bypass surgery.

Hepatic Portal Vein

A large vein that carries nutrient-rich blood from the digestive organs to the liver for processing.

Basilic Vein

A large vein located on the inner side of the upper arm and forearm, often used for intravenous injections or blood draw.