cules: What are the building blocks of life? smallest single-celled organism to the tallest tree, all life depends on the properties and reactions of ses of organic (carbon-based) compounds-carbohydrates, lipids, proteins, and nucleic acids rates, Lipids, and Proteins are the 3 building blocks of all living things that we will focus on in this ese are called macromolecules (or biomolecules) because they are large molecules. They are ble for most of the body's structure and functions, including energy storage, insulation, growth, repair, munication. Simple organic molecules can be joined together to form all the essential biological es needed for life. shows a sample elephant diet and Table 2 shows a sample lion diet. Using the background ion, predict the main function of the macromolecules in their diet. nt proteins () fats (%) carbs () ay ay y ins hydrates 19.0 11.0 3.8 . 5- 56.0 65.0 80.9 Table 2 Lion beef deer pig Rephant including energy Storage, growth insulation, repair proteins (%) 60.0 80.7 50.7 fats (%) 8.9 6.3 33.2 carbs (3) A Proteins Carbohydrates glycine glucose Directions: Analyze Model 1 and answer the questions that follow. way andnud Model 1: Macromolecules of Life are made from repeating smaller monomer units such as glucose, glycerol, and glycine. carbohydrate HHH OH H IITT I H-C-CIC-C-C-C-H IIIII OOOHO OH HHH Monosaccharide (glucose) a Carbohydrate b. Lipid c. Protein HO-C Lipid Key: H Hydrogen O-Oxygen C = Carbon N= Nitrogen HHHHHHH HHH lll -6-6-6-6 TITT 11 HHHHHHHHHHH Lipid (fatty acid) Similarities H Questions Use Model 1 to show which atoms are present in each type of molecule by listing the symbol for each element included. Protein H O-H Amino Acid (glycine) 2. List 3 similarities and 3 differences between the 3 types of macromolecules depicted above. Differences 2
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.


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