Which Experimental Technique Would Be Useful in Determining Whether a Particular

question 240

Multiple Choice

Which experimental technique would be useful in determining whether a particular chemical signal is a juxtacrine or a paracrine signal?

• A) Chemical analysis of the signal molecule
• B) Observations of the behavior of single cells
• C) Gene expression analysis
• D) Analysis of extracellular fluid surrounding cells
• E) Analysis of blood from nearby capillaries

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Definitions:

Urination

The process of excreting urine from the bladder through the urethra to the outside of the body.

Metabolism

The complex set of life-sustaining chemical reactions in organisms that enable the conversion of food to energy, elimination of nitrogenous wastes, and synthesis of necessary compounds.

Waste Products

Substances produced through metabolic and other processes in organisms that are no longer needed and are excreted or removed.

Musculomembranous Tube

A type of biological tube consisting of muscle and membrane layers, such as the gastrointestinal tract.