Macromolecules Biology ch. 2-3.

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Presentation transcript:

Macromolecules Biology ch. 2-3

Hierarchy of Life

Atom: Carbon The atom of life Ability to make four stable covalent bonds C

Molecule: Water Water is found in all living organisms O H H

Macromolecules: Large molecules containing: C, H, & O Carbohydrates Lipids Proteins Nucleic Acids Building blocks of life! ~33% of your total body weight

1. Carbohydrates Atoms Present: Monomer: Polymer: Carbon, Hydrogen, Oxygen Monomer: Glucose sugar Polymer: Starch

1. Carbohydrates Biological Function: Biological Process: Short term energy Structural support Biological Process: Photosynthesis Cellular Respiration

2. Lipids Atoms Present: Monomer: Carbon, Hydrogen, Oxygen Glycerol Head Fatty Acid Tail

2. Lipids Biological Function: Biological Process: Long term energy storage Insulation Biological Process: Cellular transport

3. Protein Atoms Present: Monomer: Polymer: Carbon, Hydrogen, Oxygen, Nitrogen Monomer: Amino Acid Polymer: Polypeptide Chain

3. Protein Biological Function: Biological Process: Build or repair tissue Catalyze chemical reactions (enzyme) Biological Process: Gene Expression

4. Nucleic Acid Atoms Present: Monomer: Polymer: Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus Monomer: Nucleotide Polymer: DNA

4. Nucleic Acid Biological Function: Biological Process: Storage of heritable information Helps make protein Biological Process: Heredity Gene Expression