Steroid Hormones

question 27

Multiple Choice

Steroid hormones

• A) bind to receptors on the surface of the cell.
• B) function by way of a second messenger system.
• C) cannot diffuse through the plasma membrane.
• D) bind to intracellular receptors.
• E) function by activating cAMP.

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Definitions:

70S Ribosomes

Ribosomes typical in prokaryotes and mitochondria, involved in the synthesis of proteins, comprised of a 50S and a 30S subunit.

Crenarchaeota

A phylum of Archaea that includes thermophilic, acidophilic, and psychrophilic microbes, often found in extreme environments.

Sulfur Bacteria

A group of bacteria that oxidize sulfur compounds to obtain energy, playing a key role in the sulfur cycle in the environment.

Haemophilus Bacteria

A group of bacteria that can cause various infections in humans, including respiratory infections and meningitis.