Which Mineral Is a Component of Thyroid Hormones

question 21

Multiple Choice

Which mineral is a component of thyroid hormones?

• A)calcium
• B)zinc
• C)iron
• D)iodine

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Definitions:

Purple Bacteria

A group of photosynthetic bacteria that utilize bacteriochlorophyll for energy, contributing to the sulfur cycle in some aquatic environments.

Mycelium

The mass of branched, thread-like filaments that make up the vegetative part of fungi.

Water Mold

A funguslike stramenopile protist with a body consisting of a coenocytic mycelium that reproduces asexually by forming motile zoospores and sexually by forming oospores.

Nutrition

The process of taking in and using food (nutrients).