Basal Cell and Squamous Cell Carcinomas

question 107

Multiple Choice

Basal cell and squamous cell carcinomas

• A) spread rapidly.
• B) are rare forms of skin cancer.
• C) may be pearly nodules or red and scaly patches.
• D) are usually painful.

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Definitions:

Thylakoid Discs

Membrane-bound structures within chloroplasts where the light-dependent reactions of photosynthesis occur.

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.