Most abundant elements in living organisms - ANSWER Hydrogen, oxygen,
carbon, nitrogen, phosphorous, sulfur
Number of essential minerals for body function - ANSWER 17
Strength of covalent bonds - ANSWER Strongest bonds in biomolecules
Covalent bond - ANSWER An electron is shared between atoms
Ionic bond - ANSWER An electron is donated between atoms
Hydrogen bond - ANSWER the H takes on a partial positive charge and the
electronegative atom takes on a partial negative charge
Most common atoms in hydrogen bonding - ANSWER oxygen and nitrogen
Why are hydrogen bonds essential for biochemistry? - ANSWER Protein
structure, binding of enzymes to substrates, holds the DNA double helix
together
Hydrogen bonds are responsible for what properties in water - ANSWER 1.
Cohesiveness and adhesiveness
2. High heat capacity
3. High heat of vaporization
4. Expansion upon freezing
5. Versatility as a solvent
Cause of VDW interactions - ANSWER caused by induced electrical
interactions between closely approaching atoms
Relative strength of bonds from weakest to strongest - ANSWER VDW,
Hydrogen bond, ionic bond, covalent bond
carbon, nitrogen, phosphorous, sulfur
Number of essential minerals for body function - ANSWER 17
Strength of covalent bonds - ANSWER Strongest bonds in biomolecules
Covalent bond - ANSWER An electron is shared between atoms
Ionic bond - ANSWER An electron is donated between atoms
Hydrogen bond - ANSWER the H takes on a partial positive charge and the
electronegative atom takes on a partial negative charge
Most common atoms in hydrogen bonding - ANSWER oxygen and nitrogen
Why are hydrogen bonds essential for biochemistry? - ANSWER Protein
structure, binding of enzymes to substrates, holds the DNA double helix
together
Hydrogen bonds are responsible for what properties in water - ANSWER 1.
Cohesiveness and adhesiveness
2. High heat capacity
3. High heat of vaporization
4. Expansion upon freezing
5. Versatility as a solvent
Cause of VDW interactions - ANSWER caused by induced electrical
interactions between closely approaching atoms
Relative strength of bonds from weakest to strongest - ANSWER VDW,
Hydrogen bond, ionic bond, covalent bond
