Which of the Following Is a Homogeneous Mixture

question 54

Multiple Choice

Which of the following is a homogeneous mixture?

• A) blood
• B) air
• C) water
• D) sugar

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Definitions:

Steroid Hormones

Hormones, such as insect molting hormone, cortisol, and male/female sex hormones, that are derived from cholesterol.

Thyroid Hormones

Hormones, including thyroxin (T4) and triiodothyronine (T3), secreted by the thyroid gland; stimulate rate of metabolism.

Surface Receptors

Proteins located on the cell membrane that bind to specific molecules in the cell's external environment, initiating a cellular response.

Second Messengers

Intracellular signaling molecules released by a cell in response to exposure to extracellular signaling molecules, amplifying the signal within the target cell.