used as energy storage in plants 3 used as energy storage in animals 1. chitin consists of three 2. glycogen hydrocarbons attached to a glycerol molecule 3. cellulose the main component in 4. starch cellular membranes 5. steroids consist four fused rings attached to various functional groups 6. phospholipids makes up the insoluble fiber in our diet 7. fats used as structural support in animals > > >

match each type of molecule with its characteristics: a. starch b. glycogen c. fat d. nucleotide i. stores energy in plants ii. consists of a pentose sugar, phosphate, and nitrogenous base iii. 3 fatty acids attached to a glycerol iv. a branched polysaccharide in animals select one: a. a-i, b-iii, c-ii, d-iv b. a-i, b-iv, c-iii, d-ii c. a-iii, b-iv, c-iii, d-i d. a-ii, b-iv, c-iii, d-i e. a-iv, b-i, c-ii, d-iii

5. DNA is transcribed into what? * RNA Protein TNA Genes 6. What are carbohydrates? * Different combinations of amino acids Lipid monomers held together by covalent bonds Nucleotide monomers linked together in long chains Chemically similar sugar molecules linked together 3.4 and 6.1 7. Is the hydrocarbon chain of a fatty acid polar or non-polar?* Polar Nonpolar 8. Triglycerides, also known as simple lipids, include which of these? * 1p 1

1. What is the chemical formula for palmitic acid and oleic acid? Which one is a saturated fat and which one is an unsaturated fat? How do you know? 2. What functional groups are involved in dehydration synthesis reactions to form a triglyceride? What is the waste product? 3. Compare the overall acidity of the molecules before and after the formation of a triglyceride. Proteins 1. What gives each amino R group its key characteristics to make it polar, non-polar, or ionic? 2. What functional groups are involved in dehydration synthesis? 3. How might the solubility of peptides be influenced by the size of the peptides? How might the R group of the amino acid influence it? 4. Would you consider the formation of a peptide bond to be an example of a neutralization reaction? Explain your reasoning.

Which phrase best describes a triglyceride? Group of answer choices 1. A four ring structure that is used as a signaling molecule 2. Three fatty acid chains linked to a glycerol molecule 3. A molecule composed to nucleotides with a double helical structure 4. A chain of amino acids

Simple sugars Enzyme 1. Carbohydrate Steroids 2. Lipid Guanine 3. Protein 4. Nucleic Acid Triglyceride Alpha helices > > > > > >