1. Which of the following is the largest in size? A) The nucleus B) A viral particle C) Hemoglobin D) Carbon dioxide E) leucine 2. The following molecule is capable of which type of interactions? H HO HO. OH OH H H A) Only hydrophobic interactions B) Only hydrophilic interactions C) Mainly hydrogen bonding and hydrophobic OH D) Mainly ionic and hydrogen bonding interactions E) Mainly Hydrogen bonding interactions 3. Plant cells DO NOT have which of the following: A) nucleus B) mitochondria C) chloroplast A) Nitrogen B) Phophorus C) Oxygen D) Sulfur E) Sodium D) cell wall E) Plant cells have all of the above 4. When a Hydrogen bond is formed, there is a hydrogen bond donor and a hydrogen bond acceptor. Which of the following atoms does not allow hydrogen to behave as a good hydrogen donor?