Nicotinic receptor activation causes the opening of the channel formed by the receptor. This increases the Na+ movement into the target cell, leading to depolarization and generation of the action potential. This rapidly developing change, termed a fast EPSP, is illustrated in Figures 4.3, and 6.2.
Just like red pepper, black pepper has a thermogenic effect when ingested. The spice stimulates your metabolism and thus temporarily increases body heat. A higher basal metabolic rate means higher energy expenditure or more calories burned.
Discolored Pepper Stems. If your pepper plant has a dark black ring that encircles the stem, it may have a disease known as phytophthora blight. Besides your pepper plants turning black, you will notice your plant wilting and suddenly turning yellow.heyâre easy to grow, easy to care for, and are seldom affected by pepper plant problems. However, many people do have issues on occasion with discolored pepper stems or with pepper plants turning black.