Blood Vessels and Axons Forming the Optic Nerve Enter and Exit

question 167

Multiple Choice

 Blood vessels and axons forming the optic nerve enter and exit the eye at the

• A) optic disk.
• B) macula.
• C) fovea.
• D) temporal retina.

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Definitions:

Granum

A stack of thylakoids within the chloroplasts of plant cells, crucial for the light reactions of photosynthesis.

Porphyrin Ring

A large, heterocyclic macrocycle composed of four modified pyrrole subunits interconnected via methine bridges, essential in the structure of heme groups and chlorophyll.

Magnesium

A chemical element with the symbol Mg, essential for living cells, playing a critical role in over 300 enzymatic reactions, including energy production.

Manganese

A chemical element with the symbol Mn and atomic number 25, known for its importance in metabolism and enzyme function in living organisms.