y bond? How are amino acids transported into the cell? What features do the reactions catalized by hexokinase and phosphofructokinase share in common?...

What is meant by the term high-energy bond? How are amino acids transported into the cell?What features do the reactions catalized by hexokinase and phosphofructokinase share in common?NOTE: 1 textbook and 1 website sources please. And single space. Thank you.