Proteins are made from long chains of smaller molecules called amino acids. These long chains are folded into particular shapes. This is important in relation to how antibodies and enzymes work. Enzymes are biological catalysts. There are optimum temperatures and pH values at which their activity is greatest.
Best Answer: Verizon charges $0.15 to send or receive texts to and from Mexico (also Canada and Puerto Rico). Only to other International countries will you get charged $0.25 to send. Depending on your calling plan, domestic long distance (within the U. S.) text or calling is not charged extra. International (to another country) text or calling is charge a fee that differs from country to country. Basicly, your carrier has been able to secure a business contract with carriers overseas which cost them money and in return charge long distance fees to offset the loss. The exact fee charged epends on the country you're calling/texting and you should contact customer service to get the exact amount per text/minute.
many can also be used when traveling to call back to the us from other countries rates vary according to the country using an at t prepaid phone card for example calls to uk landlines cost 11 cents per minute while calls to uk cell phones cost 29 cents per minutealls are calculated at 6 second increments and the monthly charge is 59 cents many local carriers also offer long distance service in many cases unlimited nationwide calls for one monthly fee ranging from $ 10 to $ 25