Examlex
Which of the following is a set of programs containing instructions that coordinate all the activities among computer hardware resources?
Cholesterol
A lipid molecule essential for the structure of cell membranes and precursor of steroid hormones, vitamin D, and bile acids.
G-Protein Complex
A molecular switch that plays a critical role in transmitting signals from external stimuli to initiate internal cellular responses.
Protein
Essential nutrients for the human body used in every cell for structural, functional, and regulatory processes.
Channel Proteins
Proteins embedded in cell membranes that facilitate the transport of ions and molecules across the membrane in a process essential for various cellular functions.
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