The Stomach Produces Two Substances Required for Proper Vitamin B₁₂

question 1

Multiple Choice

The stomach produces two substances required for proper vitamin B₁₂ absorption: hydrochloric acid and _____.

• A) extrinsic factor
• B) intrinsic factor
• C) factorial proteins
• D) injectable factor

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Definitions:

Super Glue

A type of fast-acting adhesive made from cyanoacrylate, known for its strong bond and quick setting time.

Radical

A molecule containing one or more unpaired electrons, making it highly reactive and a key intermediate in many chemical reactions.

Cationic

Refers to species (typically ions) that have a net positive charge.

Teflon

A synthetic fluoropolymer of tetrafluoroethylene that has numerous applications, known for its non-reactivity and ability to withstand high temperatures.