Which of the Following Characteristics Is Associated with Bacteria in the Phylum

question 39

Multiple Choice

Which of the following characteristics is associated with bacteria in the phylum Firmicutes and most likely helps them survive dryness?

• A) a thick waxy coat that excludes Gram stain
• B) horizontal gene transfer between two cells
• C) thick cell walls with multiple layers of peptidoglycan
• D) an ability to ferment sugars to lactic acid

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Definitions:

Nicotinic Receptors

A type of acetylcholine receptor that is stimulated by nicotine and found at neuromuscular junctions.

Adrenal Medulla

The core section of the adrenal gland responsible for generating adrenaline and noradrenaline, which are essential hormones for reacting to stress.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight-or-flight response, affecting heart rate and blood pressure.

Muscarinic Receptors

A type of acetylcholine receptor found predominantly in the central and peripheral nervous systems, playing a key role in the parasympathetic nervous system.