The Daily Warm-Up: Cell Communication

What answer choice is NOT one of the three steps of signal transduction?

• a signaling molecule binding to a specific receptor

• activation of a signal transduction pathway

• production of a cellular response

• signal feedback sent to deactivate hormone or environmental stimulus

What answer choice involves transduction of stimulatory or inhibitory signals from other cells, organisms or the environment?

• quorum sensing

• generally taxis

• specifically chemotaxis

• ligands

• receptors

What answer choice involves the positive or negative movement of an organism in response to a stimulus?

• quorum sensing

• generally taxis

• specifically chemotaxis

• ligands

• receptors

The movement of flagella rotation to direct cell movement to avoid repellants is an example of ______.

• quorum sensing

• taxis in general

• chemotaxis specifically

• ligands

• receptors

What answer choice best describes signaling molecules for cell-to-cell communication that bind to receptors to trigger a response?

• quorum sensing

• taxis in general

• chemotaxis specifically

• ligands

• receptors

What answer choice best describes cell surface proteins that bind to ligands and cause responses?

• quorum sensing

• taxis in general

• chemotaxis specifically

• cell signalers

• receptors

What answer choice describes the process by which an external signal is transmitted to the inside of a cell?

• signal transduction

• positive feedback pathway

• negative feedback pathway

• homeostasis

• cell division

What answer choice describes the maintaining of a "steady state" set of conditions under which living things can successfully survive?

• signal transduction

• positive feedback pathway

• negative feedback pathway

• homeostasis

• cell division

What answer choice describes a reaction that causes a decrease in function?

• signal transduction

• positive feedback pathway

• negative feedback pathway

• homeostasis

• cell division

Women giving birth is a pathway that causes more of the action to occur. This is an example of ______.

• signal transduction

• positive feedback pathway

• negative feedback pathway

• homeostasis

• cell division