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.
1 Verizon offers unlimited talk and text plans that also include limited data plans that start at $80-$90, depending on the type of phone used. 2  Unlimited talk plans through AT&T start at $70 per month. 3  Pre-paid cell phone plans typically cost $30-$100 per month, depending on usage needs. Depending on the plan, text, IM (Instant Messaging), picture and video messaging can also cost extra. 2  Unlimited text messaging typically costs $20 per month. 3  See: How Much Does Text Messaging Cost. 4  There are state and local taxes on monthly plans, but these are generally minimal.