01:07Cell Signaling in ONE MINUTE! Autocrine, Paracrine, Juxtacrine and Endocrine Signaling | MCAT |QuickSci1060views
Multiple ChoiceParacrine signaling is characterized by signaling molecules (ligands) that are _______:1577views4rank
Multiple ChoiceCortisol is a stress hormone created by the adrenal glands which can affect many tissues throughout the body. How is cortisol able to reach target cells that are far from the adrenal glands?1585views3rank
Multiple ChoiceWhich of the following types of signaling is represented in the figure?1623views3rank3comments
Multiple ChoiceWhen a platelet contacts a damaged blood vessel, it is stimulated to release thromboxane A2. Thromboxane A2 in turn stimulates vascular spasm and attracts additional platelets to the injured site. In this example, thromboxane A2 is acting as a __________. 1027views2rank
Multiple ChoiceCertain yeast cells secrete a molecule called the α factor. The purpose of this molecule is to __________. 721views
Multiple ChoiceCells use different signaling strategies to achieve different goals. In hormonal signaling, __________. 524views
Multiple ChoiceWhich of the following statements about calcium ions in a typical cell is true? 752views
Textbook QuestionWhich of the following actions correctly describe a role performed by at least one type of intercellular connection? Select True or False for each statement. T/F Allows communication between adjacent cells. T/F Forms a watertight barrier between the cells. T/F Uses components of the extracellular matrix to indirectly connect adjacent cells. T/F Associates with cytoskeletal components to resist pulling forces.544views
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