Answer:
0.5 or 50% = 2/4 First box on the bottom
DNA has three billion letters.
Write a paragraph on the assigned topic. then echange 14 of the words you have already used for 14 of your assigned words. make sure they all make sense though. add sentances or extra words if necessary. also make sure that your words you are exchanging have at least a similar definition. im assuming this is a vocabulary assignment.
Answer: A: It becomes inactive.
Explanation: Pepsin works best at a pH of 2. And as the stomach has a very acidic condition, pepsin works well. But in the small intestine, the pH is about 8, which is too high for pepsin to function. Therefore, pepsin gets denatured in the small intestine.
