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Chapter 3 Worksheet Spring 2014 Match each macromolecule (Carbohydrates, Proteins, Lipids, Nucleic Acids) with the appropriate description: Hydrophobic and hydrophilic properties (amphipathic); energy source and a major component of the cell membrane, other examples include vitamins, cholesterol, estrogen, and testosterone. _________________________________ Comprises the genetic code with the use of a sugar-phosphate backbone joined by nitrogenous bases _________________________________ Hydrophilic molecules that are used as an energy source but may also decorate the outside of the cell membrane and used in cell-cell adhesion and recognition. A ring structure is the most stable. _________________________________ These molecules are primarily used for structural and mediator components of the cell, are grouped by chemical properties of their R side chains. __________________________________ Identify which chemical group each of the following R side chains belongs to: CH2OH _____________________________ CH2CH2CH2CH2CH3NH3+ _____________________________ CH2CH2SCH3 _____________________________ Fill in the table below with the correct description: Macromolecule Carbohydrate Protein Lipid Nucleic Acid Linkage Monomer Polymer Chapter 3 Worksheet Spring 2014 Draw in the R side chains for the respective amino acids shown in the peptide below: How would phospholipids in the cell membranes of cold-water fish differ from the phospholipids in warm-water fish? Chapter 3 Worksheet Spring 2014 Fill in the corresponding complementary DNA strand to the single strand DNA molecules below. Be sure to write in the orientation of your written DNA strand. 5’ GGTCCATGCAAGCT 3’ 3’ TTTCCTAGCATCCGCATCTTATC 5’ 5’ AGCTGGAAGGCGTCTCTCAAAGCAAAGTTC 3’ List three differences between DNA and RNA molecules: 1. 2. 3.