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- 1. Multiple Choice
Which of the following does not result from hydrogen bonding in water molecules?
Cohesion
Adhesion
Surface Tension
Dissolving fats
- 2. Multiple Choice
Why is water considered polar?
Nonpolar covalent bonds in structure
Ionic bonds in structure
Polar covalent bonds in structure
Hydrophobic interaction in structure
- 3. Multiple Choice
Which macromolecule(s) have nitrogen?
Carbohydrates
Proteins
Nucleic Acids
Nucleic Acids & Proteins
- 4. Multiple Choice
Which macromolecule(s) have phosphorus?
Carbohydrates
Proteins
Nucleic Acids
Fats
- 5. Multiple Choice
Which macromolecule(s) have sulfur?
Carbohydrates
Proteins
Nucleic Acids
Fats
- 6. Multiple Choice
Describes the forming of a bond between monomers with the removal of a water molecule.
Hydrolysis
Dehydration
- 7. Multiple Choice
Describes the breaking of a bond within a polymer using water.
Hydrolysis
Dehydration
- 8. Multiple Choice
Which of the following is NOT in the monomer of a nucleic acid?
pentose sugar
nitrogenous base
phosphate
amino acid
- 9. Multiple Choice
Which of the following is NOT in the monomer of a protein?
Amine Group
R Group
Carboxyl Group
Nitrogenous Base
- 10. Multiple Choice
Describe the orientation of the phospholipids in the membrane.
Phospholipids orient in bilayer with hydrophilic heads on exterior
Phospholipids orient in monolayer with hydrophilic head on extracellular
Phospholipids orient in bilayer with hydrophobic tails on exterior
Phospholipids orient in monolayer with hydrophobic tails on extracellular
- 11. Multiple Choice
How is DNA/RNA synthesis directionally oriented?
new nucleotides are added to 5' phosphate
new nucleotides are added to 3' phosphate
new nucleotides are added to 5' hydroxyl
new nucleotides are added to 3' hydroxyl
- 12. Multiple Choice
Identify the pairing and number of bonds in DNA double helix
A pairs with T (2 bonds) & G pairs with C (3 bonds)
A pairs with G (2 bonds) & T pairs with C (3 bonds)
A pairs with T (3 bonds) & G pairs with C (2 bonds)
A pairs with G (3 bonds) & T pairs with C (2 bonds)
- 13. Multiple Choice
What component of the polypeptide is the next amino acid added forming the peptide bond?
amino group
hydrogen
carboxyl group
R groups
- 14. Multiple Choice
Which protein involves R group bonding to form the final three dimensional structure?
primary
secondary
tertiary
quaternary
- 15. Multiple Choice
Which protein structure involves the peptide bonds between amino acids?
primary
secondary
tertiary
quaternary
- 16. Multiple Choice
DNA and RNA differ on many qualities, which of the following is NOT a difference?
Sugar
Nitrogenous Base
Phosphate Group
Strandedness
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