Dr Marcisco, an Expert in the Endogenous Opioid System, Measures

question 50

Multiple Choice

Dr. Marcisco, an expert in the endogenous opioid system, measures propeptides levels as an indicator of neuropeptide synthesis. What propeptides is he interested in?

• A) promorphine, proenkephalin, and prodynorphin
• B) proopiomelanocortin, prodopa, and prodynorphin
• C) proopiomelanocortin, proenkephalin, and prodynorphin
• D) prodopa, proenkephalin, and promorphine

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Definitions:

Phloem

A type of vascular tissue in plants that transports sugars and other metabolic products downward from the leaves.

Xylem

A type of vascular tissue in plants responsible for the transport of water and dissolved nutrients from the roots to the rest of the plant.

Vascular Tissue

A complex system of cells within plants that conducts water and nutrients through the plant body.

Parenchyma

A type of plant tissue composed of living cells, typically having large vacuoles, thin walls, and found in parts of the plant responsible for photosynthesis, storage, and transport.