The Signaling Molecules That Interact with Cell Surface Receptors Cannot

question 52

Short Answer

The signaling molecules that interact with cell surface receptors cannot cross the plasma membrane and would generally be classified as large and/or________.

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Definitions:

Position

The placement or arrangement of a body or part of a body in a specific area or in relation to other parts.

Radiopaque

Substances that do not allow the passage of X-rays or other forms of radiation and appear white or light on radiographic images.

Position

The location of an object or person in relation to other things; in medicine, it can describe the posture of a patient or the orientation of body parts.

Ultrasound

A technology that uses sound waves with frequencies higher than the audible limit of human hearing to produce images of the inside of the body, used for diagnostic and therapeutic purposes.