Answer:
<u>ion channels</u>
Explanation:
The plasma membrane plays a critical role in regulating and maintaining ionic potential inside the cell, relative to ionic concentration present outside the cell. The ion channels are specific, in that they only recognize and allow particular ions to pass through and block the rest. Their opening and closing depends on the ionic potential during that time period.
If you're asking this question in terms of Literature, the film that is most famous for its use of synchronized sound is the jazz singer the jazz singer triggered the talking-picture revolution A year after the release of few different films, Hollywood recognized the importance of the jazz singer with regard to the motion picture history by honoring the film with an special award. :) Hope I helped!
Answer: Clearly his SYMPATHETIC nervous system has been activated.
Explanation:
The effects of the sympathetic nervous system dominate in times of EMERGENCY or STRESS. And its effects include:
- dilation of pupils to help Gabe see sharply as he investigate
- inhibition of saliva secretion as his mouth turns dry
- acceleration of heartbeat due to fear
- stimulation of sweat glands to produce sweat.
All these show clearly that Gabe's SYMPATHETIC nervous system has been activated.
Vacuole, cell wall, and chloroplast.
