Which of the Following Statements Are True of Covalent, Hydrogen

Multiple Choice

Which of the following statements are true of covalent, hydrogen, or disulfide bonds? (Read carefully and select all of the correct statements.)

A) Covalent bonds are formed when atoms share electrons.
B) Organic molecules such as glucose are held together by covalent bonds.
C) The element carbon only rarely forms covalent bonds.
D) Hydrogen bonds help maintain the three-dimensional shape of proteins.
E) Disulfide bonds help maintain the three-dimensional shape of carbohydrates.
F) Covalent bonds are relatively strong, except in water, where they weaken and tend to break.