Answer: the answer is that it used to be a wetter place
Explanation:
Answer:
Inserting arginine places a positively charged amino acid in a portion that is non-polar, creating the possibility of a hydrogen bond in this area.
Explanation:
Answer:
reversed peristaltic action of the intestines, by which their contents are carried upward.
Explanation:
Answer:
Bile is produced by the liver and concentrated and stored in the gallbladder.
Yup the one you choose is correct
