Multiple Choice
Paracrine signaling is characterized by signaling molecules (ligands) that are _______:
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10. Cell Signaling
Types of Cell Signaling
Back10. Cell Signaling
Types of Cell Signaling
- Multiple Choice
Cortisol 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?
2165views7rank - Multiple Choice
Which of the following types of signaling is represented in the figure?
2238views3rank3comments - 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 __________.1604views2rank
- Multiple ChoiceCertain yeast cells secrete a molecule called the α factor. The purpose of this molecule is to __________.1062views
- Multiple ChoiceCells use different signaling strategies to achieve different goals. In hormonal signaling, __________.1004views
- Multiple ChoiceNitric oxide is unusual among animal signal molecules in that it __________.1230views
- Multiple ChoiceWhich of the following statements is correct?892views
- Multiple ChoiceWhich of the following statements about apoptosis is true?2224views
- Multiple ChoiceWhich of the following statements about calcium ions in a typical cell is true?1065views
- Multiple ChoiceThe binding of a signal molecule to a ligand-gated ion channel __________.1030views
- Textbook Question
Which 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/FAllows communication between adjacent cells.
T/FForms a watertight barrier between the cells.
T/FUses components of the extracellular matrix to indirectly connect adjacent cells.
T/FAssociates with cytoskeletal components to resist pulling forces.
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