What Is the Steam Being Given Off When Water Boils

question 24

Multiple Choice

What is the steam being given off when water boils?

• A) oxygen molecules
• B) hydrogen molecules
• C) water molecules
• D) hydroxide (OH^-) ions
• E) hydrogen (H⁺) ion

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Definitions:

Signal Transduction

The process by which a cell responds to external signals through a series of molecular changes that convert the signal into a specific cellular response.

Local Regulators

Substances produced in one part of an organism that affect cells in close proximity.

Neurotransmitters

Chemical messengers that transmit signals across the synaptic gaps between neurons, influencing both physical and psychological functions.

Hormones

Chemical messengers produced by glands in the body that regulate the activity of cells or organs.