Bonds- which bonds bond what?

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• 2. What bonds hold together water molecules? (8, 5)
• 3. What bond holds the two hydrogen atoms to the oxygen atom in H2O? (8, 5)
• 4. What bond joins three fatty acids and a single glycerol molecule in triglycerides? (5, 5)
• 5. What bond holds two complementary DNA strands together? (8, 5)
• 6. What bond links amino acids together? (7, 5)
• 7. What bond links nucleotides together in DNA and RNA? (14, 5)