Cell Biology: Cell Compounds and Biological Molecules. Lesson 3 – Carbohydrates and Lipids ( Inquiry into Life pg. 31-36 ). Today’s Objectives. Analyze the structure and function of biological molecules in living systems, including carbohydrates, lipids, proteins, nucleic acids
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Lesson 3 – Carbohydrates and Lipids (Inquiry into Life pg. 31-36)
Called a ring compound
Functional groups can be attached to carbon chains or ringsCarbon Rings
(macromolecules contain many molecules joined together)
Three ways to represent the structure of glucose.
GLUCOSE FRUCTOSE GALACTOSE
Synthesis and degradation of a fat molecule
with an acidic group -COOH.
Saturated Fatty Acid
Unsaturated Fatty Acid
-COOH acidic group
Carbon double bond
All steroids have four adjacent carbon rings, but their attached groups differ. The effects on the body largely depend on the difference in the attached groups (shown in blue)