University:
Carleton College
Course:
CHEM 122 | Introduction to Chemistry
Academic year:

2023
Views:

395

Pages:

4
Author:

Giselle A.

Frayer Model DEFINITION CHARACTERISTICS • Large biomolecule composed of mostly H, and C with a small amount of O EXAMPLES/MODELS • • • • • • • • Oils Fats Waxes Steroids Cholesterol Hormones Estrogen Testosterone • In general, used for long term energy storage • In general, used for insulation • In general, make-up cell membranes and protective coverings • Not water soluble • Classified as saturated and nonsaturated • Made of Fatty Acid subunits (smaller repeating parts) Lipids Images Frayer Model DEFINITION CHARACTERISTICS • Biomolecule composed of C,H,O in a 1:2:1 ratio respectively EXAMPLES/MODELS • • • • • Sugars Starches Cellulose Glycogen Glucose • In general, used for short term energy storage • Show a range of solubility (ability to dissolve) • Found in breads, crackers, grains, chips, etc • Largest component of human diet • Made of sugar subunits (smaller repeating parts) or a chain of sugars Carbohydrate Image Frayer Model DEFINITION • Specific chain of amino acids that has a specialized role which maintains cells or tissue EXAMPLES/MODELS • • • • • • • Enzymes Lactase Insulin Hair Nails Muscle Hemoglobin CHARACTERISTICS • Composed of C, H, N, O and sometimes S • Help organisms form structural components • Carry out all cellular reactions • Function based on 3-dimensional shape • Made of amino acid subunits (smaller repeating parts) • Enzymes are proteins that speed up chemical reactions Protein Image Frayer Model DEFINITION CHARACTERISTICS • Biomolecule that contains genetic code or information used to make proteins EXAMPLES/MODELS • DNA • RNA • Made of chains of nucleotides • Contains instructions to make all proteins • DNA is found in the nucleus • DNA is passed on from one generation to the next • Found in all cells • DNA is double stranded • RNA is single stranded Nucleic Acids Image